Finding the Fourth Proportional to 17,472.29, 26,186.56 and 13,759.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,472.29 : 26,186.56 = 13,759.86 : x
2. Step 2: Convert to fraction form
   17,472.29/26,186.56 = 13,759.86/x
3. Step 3: Cross multiply
   17,472.29x = 26,186.56 × 13,759.86
4. Step 4: Simplify right side
   17,472.29x = 360,323,399.48
5. Step 5: Solve for x
   x = 360,323,399.48/17,472.29
6. Step 6: Final answer
   x = 20,622.56