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Finding the Fourth Proportional to 73,897.70, 101,978.91 and 42,066.56

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Solution

The fourth proportional to 73,897.70, 101,978.91 and 42,066.56 is: 58,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,897.70 : 101,978.91 = 42,066.56 : x
  2. Step 2: Convert to fraction form
    73,897.70/101,978.91 = 42,066.56/x
  3. Step 3: Cross multiply
    73,897.70x = 101,978.91 × 42,066.56
  4. Step 4: Simplify right side
    73,897.70x = 4,289,902,191.20
  5. Step 5: Solve for x
    x = 4,289,902,191.20/73,897.70
  6. Step 6: Final answer
    x = 58,051.91

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