Finding the Fourth Proportional to 17,186.32, 23,708.52 and 10,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,186.32 : 23,708.52 = 10,888.72 : x
2. Step 2: Convert to fraction form
   17,186.32/23,708.52 = 10,888.72/x
3. Step 3: Cross multiply
   17,186.32x = 23,708.52 × 10,888.72
4. Step 4: Simplify right side
   17,186.32x = 258,155,435.89
5. Step 5: Solve for x
   x = 258,155,435.89/17,186.32
6. Step 6: Final answer
   x = 15,020.98