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Finding the Fourth Proportional to 55,070.44, 82,639.58 and 21,784.84

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Solution

The fourth proportional to 55,070.44, 82,639.58 and 21,784.84 is: 32,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.44 : 82,639.58 = 21,784.84 : x
  2. Step 2: Convert to fraction form
    55,070.44/82,639.58 = 21,784.84/x
  3. Step 3: Cross multiply
    55,070.44x = 82,639.58 × 21,784.84
  4. Step 4: Simplify right side
    55,070.44x = 1,800,290,027.97
  5. Step 5: Solve for x
    x = 1,800,290,027.97/55,070.44
  6. Step 6: Final answer
    x = 32,690.68

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