Finding the Fourth Proportional to 17,434.17, 26,164.35 and 9,116.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,434.17 : 26,164.35 = 9,116.28 : x
2. Step 2: Convert to fraction form
   17,434.17/26,164.35 = 9,116.28/x
3. Step 3: Cross multiply
   17,434.17x = 26,164.35 × 9,116.28
4. Step 4: Simplify right side
   17,434.17x = 238,521,540.62
5. Step 5: Solve for x
   x = 238,521,540.62/17,434.17
6. Step 6: Final answer
   x = 13,681.27