Finding the Fourth Proportional to 6,148.88, 8,475.54 and 4,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,148.88 : 8,475.54 = 4,158.72 : x
2. Step 2: Convert to fraction form
   6,148.88/8,475.54 = 4,158.72/x
3. Step 3: Cross multiply
   6,148.88x = 8,475.54 × 4,158.72
4. Step 4: Simplify right side
   6,148.88x = 35,247,397.71
5. Step 5: Solve for x
   x = 35,247,397.71/6,148.88
6. Step 6: Final answer
   x = 5,732.33