Finding the Fourth Proportional to 17,499.15, 26,256.48 and 9,177.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499.15 : 26,256.48 = 9,177.18 : x
2. Step 2: Convert to fraction form
   17,499.15/26,256.48 = 9,177.18/x
3. Step 3: Cross multiply
   17,499.15x = 26,256.48 × 9,177.18
4. Step 4: Simplify right side
   17,499.15x = 240,960,443.13
5. Step 5: Solve for x
   x = 240,960,443.13/17,499.15
6. Step 6: Final answer
   x = 13,769.84