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Finding the Fourth Proportional to 107,291.32, 161,022.02 and 56,726.24

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Solution

The fourth proportional to 107,291.32, 161,022.02 and 56,726.24 is: 85,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,291.32 : 161,022.02 = 56,726.24 : x
  2. Step 2: Convert to fraction form
    107,291.32/161,022.02 = 56,726.24/x
  3. Step 3: Cross multiply
    107,291.32x = 161,022.02 × 56,726.24
  4. Step 4: Simplify right side
    107,291.32x = 9,134,173,751.80
  5. Step 5: Solve for x
    x = 9,134,173,751.80/107,291.32
  6. Step 6: Final answer
    x = 85,134.32

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