Finding the Fourth Proportional to 5,513.61, 7,610.04 and 3,157.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,513.61 : 7,610.04 = 3,157.05 : x
2. Step 2: Convert to fraction form
   5,513.61/7,610.04 = 3,157.05/x
3. Step 3: Cross multiply
   5,513.61x = 7,610.04 × 3,157.05
4. Step 4: Simplify right side
   5,513.61x = 24,025,276.78
5. Step 5: Solve for x
   x = 24,025,276.78/5,513.61
6. Step 6: Final answer
   x = 4,357.45