Finding the Fourth Proportional to 11,341.52, 15,647.28 and 7,148.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,341.52 : 15,647.28 = 7,148.96 : x
2. Step 2: Convert to fraction form
   11,341.52/15,647.28 = 7,148.96/x
3. Step 3: Cross multiply
   11,341.52x = 15,647.28 × 7,148.96
4. Step 4: Simplify right side
   11,341.52x = 111,861,778.83
5. Step 5: Solve for x
   x = 111,861,778.83/11,341.52
6. Step 6: Final answer
   x = 9,863.03