Finding the Fourth Proportional to 7,443.72, 10,272.08 and 4,458.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.72 : 10,272.08 = 4,458.04 : x
2. Step 2: Convert to fraction form
   7,443.72/10,272.08 = 4,458.04/x
3. Step 3: Cross multiply
   7,443.72x = 10,272.08 × 4,458.04
4. Step 4: Simplify right side
   7,443.72x = 45,793,343.52
5. Step 5: Solve for x
   x = 45,793,343.52/7,443.72
6. Step 6: Final answer
   x = 6,151.94