Finding the Fourth Proportional to 17,476.38, 26,218.71 and 7,617.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,476.38 : 26,218.71 = 7,617.42 : x
2. Step 2: Convert to fraction form
   17,476.38/26,218.71 = 7,617.42/x
3. Step 3: Cross multiply
   17,476.38x = 26,218.71 × 7,617.42
4. Step 4: Simplify right side
   17,476.38x = 199,718,925.93
5. Step 5: Solve for x
   x = 199,718,925.93/17,476.38
6. Step 6: Final answer
   x = 11,427.93