Finding the Fourth Proportional to 17,086.52, 25,620.84 and 7,718.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,086.52 : 25,620.84 = 7,718.48 : x
2. Step 2: Convert to fraction form
   17,086.52/25,620.84 = 7,718.48/x
3. Step 3: Cross multiply
   17,086.52x = 25,620.84 × 7,718.48
4. Step 4: Simplify right side
   17,086.52x = 197,753,941.12
5. Step 5: Solve for x
   x = 197,753,941.12/17,086.52
6. Step 6: Final answer
   x = 11,573.68