Finding the Fourth Proportional to 93,498.85, 129,038.57 and 57,687.94

Step by Step Solution

1. Step 1: Write the proportion equation
   93,498.85 : 129,038.57 = 57,687.94 : x
2. Step 2: Convert to fraction form
   93,498.85/129,038.57 = 57,687.94/x
3. Step 3: Cross multiply
   93,498.85x = 129,038.57 × 57,687.94
4. Step 4: Simplify right side
   93,498.85x = 7,443,969,283.85
5. Step 5: Solve for x
   x = 7,443,969,283.85/93,498.85
6. Step 6: Final answer
   x = 79,615.62