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Finding the Fourth Proportional to 92,403.02, 138,578.79 and 39,076.58

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Solution

The fourth proportional to 92,403.02, 138,578.79 and 39,076.58 is: 58,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.02 : 138,578.79 = 39,076.58 : x
  2. Step 2: Convert to fraction form
    92,403.02/138,578.79 = 39,076.58/x
  3. Step 3: Cross multiply
    92,403.02x = 138,578.79 × 39,076.58
  4. Step 4: Simplify right side
    92,403.02x = 5,415,185,173.74
  5. Step 5: Solve for x
    x = 5,415,185,173.74/92,403.02
  6. Step 6: Final answer
    x = 58,603.98

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