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Finding the Fourth Proportional to 30,857.91, 46,287.02 and 7,484.34

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Solution

The fourth proportional to 30,857.91, 46,287.02 and 7,484.34 is: 11,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.91 : 46,287.02 = 7,484.34 : x
  2. Step 2: Convert to fraction form
    30,857.91/46,287.02 = 7,484.34/x
  3. Step 3: Cross multiply
    30,857.91x = 46,287.02 × 7,484.34
  4. Step 4: Simplify right side
    30,857.91x = 346,427,795.27
  5. Step 5: Solve for x
    x = 346,427,795.27/30,857.91
  6. Step 6: Final answer
    x = 11,226.55

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