Finding the Fourth Proportional to 57,761.30, 79,717.50 and 35,103.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,761.30 : 79,717.50 = 35,103.98 : x
2. Step 2: Convert to fraction form
   57,761.30/79,717.50 = 35,103.98/x
3. Step 3: Cross multiply
   57,761.30x = 79,717.50 × 35,103.98
4. Step 4: Simplify right side
   57,761.30x = 2,798,401,525.65
5. Step 5: Solve for x
   x = 2,798,401,525.65/57,761.30
6. Step 6: Final answer
   x = 48,447.69