Finding the Fourth Proportional to 5,158.76, 7,740.88 and 3,082.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158.76 : 7,740.88 = 3,082.82 : x
2. Step 2: Convert to fraction form
   5,158.76/7,740.88 = 3,082.82/x
3. Step 3: Cross multiply
   5,158.76x = 7,740.88 × 3,082.82
4. Step 4: Simplify right side
   5,158.76x = 23,863,693.27
5. Step 5: Solve for x
   x = 23,863,693.27/5,158.76
6. Step 6: Final answer
   x = 4,625.86