Finding the Fourth Proportional to 5,599.89, 7,727.88 and 3,082.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,599.89 : 7,727.88 = 3,082.15 : x
2. Step 2: Convert to fraction form
   5,599.89/7,727.88 = 3,082.15/x
3. Step 3: Cross multiply
   5,599.89x = 7,727.88 × 3,082.15
4. Step 4: Simplify right side
   5,599.89x = 23,818,485.34
5. Step 5: Solve for x
   x = 23,818,485.34/5,599.89
6. Step 6: Final answer
   x = 4,253.38