Finding the Fourth Proportional to 63,572.64, 87,732.06 and 35,280.15

Step by Step Solution

1. Step 1: Write the proportion equation
   63,572.64 : 87,732.06 = 35,280.15 : x
2. Step 2: Convert to fraction form
   63,572.64/87,732.06 = 35,280.15/x
3. Step 3: Cross multiply
   63,572.64x = 87,732.06 × 35,280.15
4. Step 4: Simplify right side
   63,572.64x = 3,095,200,236.61
5. Step 5: Solve for x
   x = 3,095,200,236.61/63,572.64
6. Step 6: Final answer
   x = 48,687.62