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Finding the Fourth Proportional to 92,320.95, 138,426.07 and 42,338.45

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Solution

The fourth proportional to 92,320.95, 138,426.07 and 42,338.45 is: 63,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,320.95 : 138,426.07 = 42,338.45 : x
  2. Step 2: Convert to fraction form
    92,320.95/138,426.07 = 42,338.45/x
  3. Step 3: Cross multiply
    92,320.95x = 138,426.07 × 42,338.45
  4. Step 4: Simplify right side
    92,320.95x = 5,860,745,243.39
  5. Step 5: Solve for x
    x = 5,860,745,243.39/92,320.95
  6. Step 6: Final answer
    x = 63,482.29

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