Finding the Fourth Proportional to 17,320.43, 25,915.76 and 12,334.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,320.43 : 25,915.76 = 12,334.32 : x
2. Step 2: Convert to fraction form
   17,320.43/25,915.76 = 12,334.32/x
3. Step 3: Cross multiply
   17,320.43x = 25,915.76 × 12,334.32
4. Step 4: Simplify right side
   17,320.43x = 319,653,307.72
5. Step 5: Solve for x
   x = 319,653,307.72/17,320.43
6. Step 6: Final answer
   x = 18,455.28