Finding the Fourth Proportional to 116,602.72, 174,940.82 and 88,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,602.72 : 174,940.82 = 88,656.50 : x
2. Step 2: Convert to fraction form
   116,602.72/174,940.82 = 88,656.50/x
3. Step 3: Cross multiply
   116,602.72x = 174,940.82 × 88,656.50
4. Step 4: Simplify right side
   116,602.72x = 15,509,640,808.33
5. Step 5: Solve for x
   x = 15,509,640,808.33/116,602.72
6. Step 6: Final answer
   x = 133,012.68