Finding the Fourth Proportional to 7,048.72, 9,726.54 and 4,023.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.72 : 9,726.54 = 4,023.88 : x
2. Step 2: Convert to fraction form
   7,048.72/9,726.54 = 4,023.88/x
3. Step 3: Cross multiply
   7,048.72x = 9,726.54 × 4,023.88
4. Step 4: Simplify right side
   7,048.72x = 39,138,429.78
5. Step 5: Solve for x
   x = 39,138,429.78/7,048.72
6. Step 6: Final answer
   x = 5,552.56