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Finding the Fourth Proportional to 326,363.40, 489,532.77 and 89,699.94

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Solution

The fourth proportional to 326,363.40, 489,532.77 and 89,699.94 is: 134,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,363.40 : 489,532.77 = 89,699.94 : x
  2. Step 2: Convert to fraction form
    326,363.40/489,532.77 = 89,699.94/x
  3. Step 3: Cross multiply
    326,363.40x = 489,532.77 × 89,699.94
  4. Step 4: Simplify right side
    326,363.40x = 43,911,060,097.03
  5. Step 5: Solve for x
    x = 43,911,060,097.03/326,363.40
  6. Step 6: Final answer
    x = 134,546.52

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