Finding the Fourth Proportional to 17,116.88, 25,670.16 and 7,256

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.88 : 25,670.16 = 7,256 : x
2. Step 2: Convert to fraction form
   17,116.88/25,670.16 = 7,256/x
3. Step 3: Cross multiply
   17,116.88x = 25,670.16 × 7,256
4. Step 4: Simplify right side
   17,116.88x = 186,262,680.96
5. Step 5: Solve for x
   x = 186,262,680.96/17,116.88
6. Step 6: Final answer
   x = 10,881.81