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Finding the Fourth Proportional to 72,129.51, 108,208.85 and 24,742.89

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Solution

The fourth proportional to 72,129.51, 108,208.85 and 24,742.89 is: 37,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,129.51 : 108,208.85 = 24,742.89 : x
  2. Step 2: Convert to fraction form
    72,129.51/108,208.85 = 24,742.89/x
  3. Step 3: Cross multiply
    72,129.51x = 108,208.85 × 24,742.89
  4. Step 4: Simplify right side
    72,129.51x = 2,677,399,548.86
  5. Step 5: Solve for x
    x = 2,677,399,548.86/72,129.51
  6. Step 6: Final answer
    x = 37,119.34

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