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Finding the Fourth Proportional to 112,620.16, 168,812.55 and 37,678.66

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Solution

The fourth proportional to 112,620.16, 168,812.55 and 37,678.66 is: 56,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,620.16 : 168,812.55 = 37,678.66 : x
  2. Step 2: Convert to fraction form
    112,620.16/168,812.55 = 37,678.66/x
  3. Step 3: Cross multiply
    112,620.16x = 168,812.55 × 37,678.66
  4. Step 4: Simplify right side
    112,620.16x = 6,360,630,675.18
  5. Step 5: Solve for x
    x = 6,360,630,675.18/112,620.16
  6. Step 6: Final answer
    x = 56,478.62

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