Finding the Fourth Proportional to 116,514.72, 160,796.88 and 88,171.20

Step by Step Solution

1. Step 1: Write the proportion equation
   116,514.72 : 160,796.88 = 88,171.20 : x
2. Step 2: Convert to fraction form
   116,514.72/160,796.88 = 88,171.20/x
3. Step 3: Cross multiply
   116,514.72x = 160,796.88 × 88,171.20
4. Step 4: Simplify right side
   116,514.72x = 14,177,653,865.86
5. Step 5: Solve for x
   x = 14,177,653,865.86/116,514.72
6. Step 6: Final answer
   x = 121,681.23