Finding the Fourth Proportional to 17,092.68, 25,620.78 and 7,731.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,092.68 : 25,620.78 = 7,731.72 : x
2. Step 2: Convert to fraction form
   17,092.68/25,620.78 = 7,731.72/x
3. Step 3: Cross multiply
   17,092.68x = 25,620.78 × 7,731.72
4. Step 4: Simplify right side
   17,092.68x = 198,092,697.14
5. Step 5: Solve for x
   x = 198,092,697.14/17,092.68
6. Step 6: Final answer
   x = 11,589.33