Finding the Fourth Proportional to 5,440.50, 7,507.89 and 3,082.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,440.50 : 7,507.89 = 3,082.86 : x
2. Step 2: Convert to fraction form
   5,440.50/7,507.89 = 3,082.86/x
3. Step 3: Cross multiply
   5,440.50x = 7,507.89 × 3,082.86
4. Step 4: Simplify right side
   5,440.50x = 23,145,773.77
5. Step 5: Solve for x
   x = 23,145,773.77/5,440.50
6. Step 6: Final answer
   x = 4,254.35