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Finding the Fourth Proportional to 74,783.94, 103,201.89 and 42,954.90

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Solution

The fourth proportional to 74,783.94, 103,201.89 and 42,954.90 is: 59,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.94 : 103,201.89 = 42,954.90 : x
  2. Step 2: Convert to fraction form
    74,783.94/103,201.89 = 42,954.90/x
  3. Step 3: Cross multiply
    74,783.94x = 103,201.89 × 42,954.90
  4. Step 4: Simplify right side
    74,783.94x = 4,433,026,864.76
  5. Step 5: Solve for x
    x = 4,433,026,864.76/74,783.94
  6. Step 6: Final answer
    x = 59,277.79

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