Finding the Fourth Proportional to 5,440.61, 7,507.89 and 3,082.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,440.61 : 7,507.89 = 3,082.74 : x
2. Step 2: Convert to fraction form
   5,440.61/7,507.89 = 3,082.74/x
3. Step 3: Cross multiply
   5,440.61x = 7,507.89 × 3,082.74
4. Step 4: Simplify right side
   5,440.61x = 23,144,872.82
5. Step 5: Solve for x
   x = 23,144,872.82/5,440.61
6. Step 6: Final answer
   x = 4,254.10