Finding the Fourth Proportional to 126,002.78, 173,883.75 and 69,414.15

Step by Step Solution

1. Step 1: Write the proportion equation
   126,002.78 : 173,883.75 = 69,414.15 : x
2. Step 2: Convert to fraction form
   126,002.78/173,883.75 = 69,414.15/x
3. Step 3: Cross multiply
   126,002.78x = 173,883.75 × 69,414.15
4. Step 4: Simplify right side
   126,002.78x = 12,069,992,705.06
5. Step 5: Solve for x
   x = 12,069,992,705.06/126,002.78
6. Step 6: Final answer
   x = 95,791.48