Finding the Fourth Proportional to 62,874.56, 86,765.46 and 34,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,874.56 : 86,765.46 = 34,580.72 : x
2. Step 2: Convert to fraction form
   62,874.56/86,765.46 = 34,580.72/x
3. Step 3: Cross multiply
   62,874.56x = 86,765.46 × 34,580.72
4. Step 4: Simplify right side
   62,874.56x = 3,000,412,077.93
5. Step 5: Solve for x
   x = 3,000,412,077.93/62,874.56
6. Step 6: Final answer
   x = 47,720.61