Finding the Fourth Proportional to 17,312.43, 25,959.42 and 8,984.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,312.43 : 25,959.42 = 8,984.06 : x
2. Step 2: Convert to fraction form
   17,312.43/25,959.42 = 8,984.06/x
3. Step 3: Cross multiply
   17,312.43x = 25,959.42 × 8,984.06
4. Step 4: Simplify right side
   17,312.43x = 233,221,100.42
5. Step 5: Solve for x
   x = 233,221,100.42/17,312.43
6. Step 6: Final answer
   x = 13,471.31