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Finding the Fourth Proportional to 66,574.72, 91,746.84 and 47,679.04

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Solution

The fourth proportional to 66,574.72, 91,746.84 and 47,679.04 is: 65,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.72 : 91,746.84 = 47,679.04 : x
  2. Step 2: Convert to fraction form
    66,574.72/91,746.84 = 47,679.04/x
  3. Step 3: Cross multiply
    66,574.72x = 91,746.84 × 47,679.04
  4. Step 4: Simplify right side
    66,574.72x = 4,374,401,254.23
  5. Step 5: Solve for x
    x = 4,374,401,254.23/66,574.72
  6. Step 6: Final answer
    x = 65,706.64

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