Finding the Fourth Proportional to 5,868.31, 8,081.20 and 5,493.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,868.31 : 8,081.20 = 5,493.10 : x
2. Step 2: Convert to fraction form
   5,868.31/8,081.20 = 5,493.10/x
3. Step 3: Cross multiply
   5,868.31x = 8,081.20 × 5,493.10
4. Step 4: Simplify right side
   5,868.31x = 44,390,839.72
5. Step 5: Solve for x
   x = 44,390,839.72/5,868.31
6. Step 6: Final answer
   x = 7,564.50