Finding the Fourth Proportional to 17,308.30, 25,943.91 and 12,362.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,308.30 : 25,943.91 = 12,362.94 : x
2. Step 2: Convert to fraction form
   17,308.30/25,943.91 = 12,362.94/x
3. Step 3: Cross multiply
   17,308.30x = 25,943.91 × 12,362.94
4. Step 4: Simplify right side
   17,308.30x = 320,743,002.70
5. Step 5: Solve for x
   x = 320,743,002.70/17,308.30
6. Step 6: Final answer
   x = 18,531.17