Finding the Fourth Proportional to 63,432.72, 87,538.32 and 35,139.96

Step by Step Solution

1. Step 1: Write the proportion equation
   63,432.72 : 87,538.32 = 35,139.96 : x
2. Step 2: Convert to fraction form
   63,432.72/87,538.32 = 35,139.96/x
3. Step 3: Cross multiply
   63,432.72x = 87,538.32 × 35,139.96
4. Step 4: Simplify right side
   63,432.72x = 3,076,093,063.27
5. Step 5: Solve for x
   x = 3,076,093,063.27/63,432.72
6. Step 6: Final answer
   x = 48,493.79