Finding the Fourth Proportional to 17,112.24, 25,648.16 and 7,741.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112.24 : 25,648.16 = 7,741.28 : x
2. Step 2: Convert to fraction form
   17,112.24/25,648.16 = 7,741.28/x
3. Step 3: Cross multiply
   17,112.24x = 25,648.16 × 7,741.28
4. Step 4: Simplify right side
   17,112.24x = 198,549,588.04
5. Step 5: Solve for x
   x = 198,549,588.04/17,112.24
6. Step 6: Final answer
   x = 11,602.78