Finding the Fourth Proportional to 63,435.72, 87,541.98 and 35,143.08

Step by Step Solution

1. Step 1: Write the proportion equation
   63,435.72 : 87,541.98 = 35,143.08 : x
2. Step 2: Convert to fraction form
   63,435.72/87,541.98 = 35,143.08/x
3. Step 3: Cross multiply
   63,435.72x = 87,541.98 × 35,143.08
4. Step 4: Simplify right side
   63,435.72x = 3,076,494,806.50
5. Step 5: Solve for x
   x = 3,076,494,806.50/63,435.72
6. Step 6: Final answer
   x = 48,497.83