Finding the Fourth Proportional to 17,294.36, 25,916.42 and 9,390.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,294.36 : 25,916.42 = 9,390.17 : x
2. Step 2: Convert to fraction form
   17,294.36/25,916.42 = 9,390.17/x
3. Step 3: Cross multiply
   17,294.36x = 25,916.42 × 9,390.17
4. Step 4: Simplify right side
   17,294.36x = 243,359,677.86
5. Step 5: Solve for x
   x = 243,359,677.86/17,294.36
6. Step 6: Final answer
   x = 14,071.62