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Finding the Fourth Proportional to 86,799.66, 119,783.55 and 49,073.58

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Solution

The fourth proportional to 86,799.66, 119,783.55 and 49,073.58 is: 67,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,799.66 : 119,783.55 = 49,073.58 : x
  2. Step 2: Convert to fraction form
    86,799.66/119,783.55 = 49,073.58/x
  3. Step 3: Cross multiply
    86,799.66x = 119,783.55 × 49,073.58
  4. Step 4: Simplify right side
    86,799.66x = 5,878,207,623.61
  5. Step 5: Solve for x
    x = 5,878,207,623.61/86,799.66
  6. Step 6: Final answer
    x = 67,721.55

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