Finding the Fourth Proportional to 8,710.10, 13,061.37 and 3,161.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,710.10 : 13,061.37 = 3,161.60 : x
2. Step 2: Convert to fraction form
   8,710.10/13,061.37 = 3,161.60/x
3. Step 3: Cross multiply
   8,710.10x = 13,061.37 × 3,161.60
4. Step 4: Simplify right side
   8,710.10x = 41,294,827.39
5. Step 5: Solve for x
   x = 41,294,827.39/8,710.10
6. Step 6: Final answer
   x = 4,741.03