Finding the Fourth Proportional to 17,289.06, 25,940.42 and 7,922.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,289.06 : 25,940.42 = 7,922.32 : x
2. Step 2: Convert to fraction form
   17,289.06/25,940.42 = 7,922.32/x
3. Step 3: Cross multiply
   17,289.06x = 25,940.42 × 7,922.32
4. Step 4: Simplify right side
   17,289.06x = 205,508,233.42
5. Step 5: Solve for x
   x = 205,508,233.42/17,289.06
6. Step 6: Final answer
   x = 11,886.61