Finding the Fourth Proportional to 17,388.18, 26,086.82 and 7,525.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388.18 : 26,086.82 = 7,525.15 : x
2. Step 2: Convert to fraction form
   17,388.18/26,086.82 = 7,525.15/x
3. Step 3: Cross multiply
   17,388.18x = 26,086.82 × 7,525.15
4. Step 4: Simplify right side
   17,388.18x = 196,307,233.52
5. Step 5: Solve for x
   x = 196,307,233.52/17,388.18
6. Step 6: Final answer
   x = 11,289.69