Finding the Fourth Proportional to 127,258.83, 175,619.38 and 69,900.57

Step by Step Solution

1. Step 1: Write the proportion equation
   127,258.83 : 175,619.38 = 69,900.57 : x
2. Step 2: Convert to fraction form
   127,258.83/175,619.38 = 69,900.57/x
3. Step 3: Cross multiply
   127,258.83x = 175,619.38 × 69,900.57
4. Step 4: Simplify right side
   127,258.83x = 12,275,894,765.05
5. Step 5: Solve for x
   x = 12,275,894,765.05/127,258.83
6. Step 6: Final answer
   x = 96,463.99