Finding the Fourth Proportional to 5,372.30, 7,411.82 and 4,113.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,372.30 : 7,411.82 = 4,113.56 : x
2. Step 2: Convert to fraction form
   5,372.30/7,411.82 = 4,113.56/x
3. Step 3: Cross multiply
   5,372.30x = 7,411.82 × 4,113.56
4. Step 4: Simplify right side
   5,372.30x = 30,488,966.28
5. Step 5: Solve for x
   x = 30,488,966.28/5,372.30
6. Step 6: Final answer
   x = 5,675.22