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Finding the Fourth Proportional to 262,298.10, 393,742.80 and 173,724.60

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Solution

The fourth proportional to 262,298.10, 393,742.80 and 173,724.60 is: 260,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,298.10 : 393,742.80 = 173,724.60 : x
  2. Step 2: Convert to fraction form
    262,298.10/393,742.80 = 173,724.60/x
  3. Step 3: Cross multiply
    262,298.10x = 393,742.80 × 173,724.60
  4. Step 4: Simplify right side
    262,298.10x = 68,402,810,432.88
  5. Step 5: Solve for x
    x = 68,402,810,432.88/262,298.10
  6. Step 6: Final answer
    x = 260,782.71

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