Finding the Fourth Proportional to 63,501.60, 88,785.60 and 63,501.60

Step by Step Solution

1. Step 1: Write the proportion equation
   63,501.60 : 88,785.60 = 63,501.60 : x
2. Step 2: Convert to fraction form
   63,501.60/88,785.60 = 63,501.60/x
3. Step 3: Cross multiply
   63,501.60x = 88,785.60 × 63,501.60
4. Step 4: Simplify right side
   63,501.60x = 5,638,027,656.96
5. Step 5: Solve for x
   x = 5,638,027,656.96/63,501.60
6. Step 6: Final answer
   x = 88,785.60