Finding the Fourth Proportional to 126,900.96, 175,123.37 and 75,915.87

Step by Step Solution

1. Step 1: Write the proportion equation
   126,900.96 : 175,123.37 = 75,915.87 : x
2. Step 2: Convert to fraction form
   126,900.96/175,123.37 = 75,915.87/x
3. Step 3: Cross multiply
   126,900.96x = 175,123.37 × 75,915.87
4. Step 4: Simplify right side
   126,900.96x = 13,294,642,611.30
5. Step 5: Solve for x
   x = 13,294,642,611.30/126,900.96
6. Step 6: Final answer
   x = 104,763.92