Finding the Fourth Proportional to 5,610.10, 8,457.71 and 5,610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,610.10 : 8,457.71 = 5,610.10 : x
2. Step 2: Convert to fraction form
   5,610.10/8,457.71 = 5,610.10/x
3. Step 3: Cross multiply
   5,610.10x = 8,457.71 × 5,610.10
4. Step 4: Simplify right side
   5,610.10x = 47,448,598.87
5. Step 5: Solve for x
   x = 47,448,598.87/5,610.10
6. Step 6: Final answer
   x = 8,457.71