Finding the Fourth Proportional to 5,168.31, 7,753.94 and 2,536.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.31 : 7,753.94 = 2,536.61 : x
2. Step 2: Convert to fraction form
   5,168.31/7,753.94 = 2,536.61/x
3. Step 3: Cross multiply
   5,168.31x = 7,753.94 × 2,536.61
4. Step 4: Simplify right side
   5,168.31x = 19,668,730.55
5. Step 5: Solve for x
   x = 19,668,730.55/5,168.31
6. Step 6: Final answer
   x = 3,805.64