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Finding the Fourth Proportional to 388,823.78, 583,235.64 and 93,335.78

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Solution

The fourth proportional to 388,823.78, 583,235.64 and 93,335.78 is: 140,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,823.78 : 583,235.64 = 93,335.78 : x
  2. Step 2: Convert to fraction form
    388,823.78/583,235.64 = 93,335.78/x
  3. Step 3: Cross multiply
    388,823.78x = 583,235.64 × 93,335.78
  4. Step 4: Simplify right side
    388,823.78x = 54,436,753,383.20
  5. Step 5: Solve for x
    x = 54,436,753,383.20/388,823.78
  6. Step 6: Final answer
    x = 140,003.66

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