Finding the Fourth Proportional to 17,300.88, 25,953.14 and 7,939.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,300.88 : 25,953.14 = 7,939.30 : x
2. Step 2: Convert to fraction form
   17,300.88/25,953.14 = 7,939.30/x
3. Step 3: Cross multiply
   17,300.88x = 25,953.14 × 7,939.30
4. Step 4: Simplify right side
   17,300.88x = 206,049,724.71
5. Step 5: Solve for x
   x = 206,049,724.71/17,300.88
6. Step 6: Final answer
   x = 11,909.79