Finding the Fourth Proportional to 113,843.60, 157,231.04 and 88,653

Step by Step Solution

1. Step 1: Write the proportion equation
   113,843.60 : 157,231.04 = 88,653 : x
2. Step 2: Convert to fraction form
   113,843.60/157,231.04 = 88,653/x
3. Step 3: Cross multiply
   113,843.60x = 157,231.04 × 88,653
4. Step 4: Simplify right side
   113,843.60x = 13,939,002,945.86
5. Step 5: Solve for x
   x = 13,939,002,945.86/113,843.60
6. Step 6: Final answer
   x = 122,439.94