Finding the Fourth Proportional to 63,617.10, 88,947.30 and 63,617.10

Step by Step Solution

1. Step 1: Write the proportion equation
   63,617.10 : 88,947.30 = 63,617.10 : x
2. Step 2: Convert to fraction form
   63,617.10/88,947.30 = 63,617.10/x
3. Step 3: Cross multiply
   63,617.10x = 88,947.30 × 63,617.10
4. Step 4: Simplify right side
   63,617.10x = 5,658,569,278.83
5. Step 5: Solve for x
   x = 5,658,569,278.83/63,617.10
6. Step 6: Final answer
   x = 88,947.30