Finding the Fourth Proportional to 3,711.24, 5,116.10 and 2,590.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,711.24 : 5,116.10 = 2,590.47 : x
2. Step 2: Convert to fraction form
   3,711.24/5,116.10 = 2,590.47/x
3. Step 3: Cross multiply
   3,711.24x = 5,116.10 × 2,590.47
4. Step 4: Simplify right side
   3,711.24x = 13,253,090.61
5. Step 5: Solve for x
   x = 13,253,090.61/3,711.24
6. Step 6: Final answer
   x = 3,571.07