Finding the Fourth Proportional to 117,086.88, 161,621.82 and 69,340.62

Step by Step Solution

1. Step 1: Write the proportion equation
   117,086.88 : 161,621.82 = 69,340.62 : x
2. Step 2: Convert to fraction form
   117,086.88/161,621.82 = 69,340.62/x
3. Step 3: Cross multiply
   117,086.88x = 161,621.82 × 69,340.62
4. Step 4: Simplify right side
   117,086.88x = 11,206,957,204.33
5. Step 5: Solve for x
   x = 11,206,957,204.33/117,086.88
6. Step 6: Final answer
   x = 95,714.88