Finding the Fourth Proportional to 114,718.78, 158,287.92 and 69,387.89

Step by Step Solution

1. Step 1: Write the proportion equation
   114,718.78 : 158,287.92 = 69,387.89 : x
2. Step 2: Convert to fraction form
   114,718.78/158,287.92 = 69,387.89/x
3. Step 3: Cross multiply
   114,718.78x = 158,287.92 × 69,387.89
4. Step 4: Simplify right side
   114,718.78x = 10,983,265,010.32
5. Step 5: Solve for x
   x = 10,983,265,010.32/114,718.78
6. Step 6: Final answer
   x = 95,740.77