Finding the Fourth Proportional to 62,800.76, 86,665.42 and 34,505.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,800.76 : 86,665.42 = 34,505.72 : x
2. Step 2: Convert to fraction form
   62,800.76/86,665.42 = 34,505.72/x
3. Step 3: Cross multiply
   62,800.76x = 86,665.42 × 34,505.72
4. Step 4: Simplify right side
   62,800.76x = 2,990,452,716.20
5. Step 5: Solve for x
   x = 2,990,452,716.20/62,800.76
6. Step 6: Final answer
   x = 47,618.10