Finding the Fourth Proportional to 125,976.74, 173,847.89 and 69,388.12

Step by Step Solution

1. Step 1: Write the proportion equation
   125,976.74 : 173,847.89 = 69,388.12 : x
2. Step 2: Convert to fraction form
   125,976.74/173,847.89 = 69,388.12/x
3. Step 3: Cross multiply
   125,976.74x = 173,847.89 × 69,388.12
4. Step 4: Simplify right side
   125,976.74x = 12,062,978,253.07
5. Step 5: Solve for x
   x = 12,062,978,253.07/125,976.74
6. Step 6: Final answer
   x = 95,755.60