Finding the Fourth Proportional to 63,433.47, 87,538.18 and 35,139.15

Step by Step Solution

1. Step 1: Write the proportion equation
   63,433.47 : 87,538.18 = 35,139.15 : x
2. Step 2: Convert to fraction form
   63,433.47/87,538.18 = 35,139.15/x
3. Step 3: Cross multiply
   63,433.47x = 87,538.18 × 35,139.15
4. Step 4: Simplify right side
   63,433.47x = 3,076,017,237.75
5. Step 5: Solve for x
   x = 3,076,017,237.75/63,433.47
6. Step 6: Final answer
   x = 48,492.02