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Finding the Fourth Proportional to 37,920.85, 56,837 and 28,530.71

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Solution

The fourth proportional to 37,920.85, 56,837 and 28,530.71 is: 42,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.85 : 56,837 = 28,530.71 : x
  2. Step 2: Convert to fraction form
    37,920.85/56,837 = 28,530.71/x
  3. Step 3: Cross multiply
    37,920.85x = 56,837 × 28,530.71
  4. Step 4: Simplify right side
    37,920.85x = 1,621,599,964.27
  5. Step 5: Solve for x
    x = 1,621,599,964.27/37,920.85
  6. Step 6: Final answer
    x = 42,762.75

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