Finding the Fourth Proportional to 17,475.89, 26,218.69 and 9,690.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,475.89 : 26,218.69 = 9,690.17 : x
2. Step 2: Convert to fraction form
   17,475.89/26,218.69 = 9,690.17/x
3. Step 3: Cross multiply
   17,475.89x = 26,218.69 × 9,690.17
4. Step 4: Simplify right side
   17,475.89x = 254,063,407.96
5. Step 5: Solve for x
   x = 254,063,407.96/17,475.89
6. Step 6: Final answer
   x = 14,537.94