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Finding the Fourth Proportional to 13,841.46, 20,764.22 and 4,478.35

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Solution

The fourth proportional to 13,841.46, 20,764.22 and 4,478.35 is: 6,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.46 : 20,764.22 = 4,478.35 : x
  2. Step 2: Convert to fraction form
    13,841.46/20,764.22 = 4,478.35/x
  3. Step 3: Cross multiply
    13,841.46x = 20,764.22 × 4,478.35
  4. Step 4: Simplify right side
    13,841.46x = 92,989,444.64
  5. Step 5: Solve for x
    x = 92,989,444.64/13,841.46
  6. Step 6: Final answer
    x = 6,718.18

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