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Finding the Fourth Proportional to 124,530.40, 186,819.90 and 49,637.80

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Solution

The fourth proportional to 124,530.40, 186,819.90 and 49,637.80 is: 74,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,530.40 : 186,819.90 = 49,637.80 : x
  2. Step 2: Convert to fraction form
    124,530.40/186,819.90 = 49,637.80/x
  3. Step 3: Cross multiply
    124,530.40x = 186,819.90 × 49,637.80
  4. Step 4: Simplify right side
    124,530.40x = 9,273,328,832.22
  5. Step 5: Solve for x
    x = 9,273,328,832.22/124,530.40
  6. Step 6: Final answer
    x = 74,466.39

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