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Finding the Fourth Proportional to 346,891.93, 478,858.43 and 210,969.54

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Solution

The fourth proportional to 346,891.93, 478,858.43 and 210,969.54 is: 291,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,891.93 : 478,858.43 = 210,969.54 : x
  2. Step 2: Convert to fraction form
    346,891.93/478,858.43 = 210,969.54/x
  3. Step 3: Cross multiply
    346,891.93x = 478,858.43 × 210,969.54
  4. Step 4: Simplify right side
    346,891.93x = 101,024,542,636.29
  5. Step 5: Solve for x
    x = 101,024,542,636.29/346,891.93
  6. Step 6: Final answer
    x = 291,227.71

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