Finding the Fourth Proportional to 11,124.48, 16,643.52 and 7,651.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,124.48 : 16,643.52 = 7,651.20 : x
2. Step 2: Convert to fraction form
   11,124.48/16,643.52 = 7,651.20/x
3. Step 3: Cross multiply
   11,124.48x = 16,643.52 × 7,651.20
4. Step 4: Simplify right side
   11,124.48x = 127,342,900.22
5. Step 5: Solve for x
   x = 127,342,900.22/11,124.48
6. Step 6: Final answer
   x = 11,447.09