Finding the Fourth Proportional to 63,443.76, 87,548.60 and 35,147.40

Step by Step Solution

1. Step 1: Write the proportion equation
   63,443.76 : 87,548.60 = 35,147.40 : x
2. Step 2: Convert to fraction form
   63,443.76/87,548.60 = 35,147.40/x
3. Step 3: Cross multiply
   63,443.76x = 87,548.60 × 35,147.40
4. Step 4: Simplify right side
   63,443.76x = 3,077,105,487.90
5. Step 5: Solve for x
   x = 3,077,105,487.90/63,443.76
6. Step 6: Final answer
   x = 48,501.31