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Finding the Fourth Proportional to 18,953.72, 28,433.76 and 5,802.92

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Solution

The fourth proportional to 18,953.72, 28,433.76 and 5,802.92 is: 8,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.72 : 28,433.76 = 5,802.92 : x
  2. Step 2: Convert to fraction form
    18,953.72/28,433.76 = 5,802.92/x
  3. Step 3: Cross multiply
    18,953.72x = 28,433.76 × 5,802.92
  4. Step 4: Simplify right side
    18,953.72x = 164,998,834.58
  5. Step 5: Solve for x
    x = 164,998,834.58/18,953.72
  6. Step 6: Final answer
    x = 8,705.35

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