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Finding the Fourth Proportional to 210,866.24, 291,004.08 and 115,381.28

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Solution

The fourth proportional to 210,866.24, 291,004.08 and 115,381.28 is: 159,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,866.24 : 291,004.08 = 115,381.28 : x
  2. Step 2: Convert to fraction form
    210,866.24/291,004.08 = 115,381.28/x
  3. Step 3: Cross multiply
    210,866.24x = 291,004.08 × 115,381.28
  4. Step 4: Simplify right side
    210,866.24x = 33,576,423,235.62
  5. Step 5: Solve for x
    x = 33,576,423,235.62/210,866.24
  6. Step 6: Final answer
    x = 159,230.91

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