Finding the Fourth Proportional to 11,449.47, 17,104.80 and 7,255.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,449.47 : 17,104.80 = 7,255.92 : x
2. Step 2: Convert to fraction form
   11,449.47/17,104.80 = 7,255.92/x
3. Step 3: Cross multiply
   11,449.47x = 17,104.80 × 7,255.92
4. Step 4: Simplify right side
   11,449.47x = 124,111,060.42
5. Step 5: Solve for x
   x = 124,111,060.42/11,449.47
6. Step 6: Final answer
   x = 10,839.90