Finding the Fourth Proportional to 17,949.78, 24,772.16 and 9,992.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,949.78 : 24,772.16 = 9,992.14 : x
2. Step 2: Convert to fraction form
   17,949.78/24,772.16 = 9,992.14/x
3. Step 3: Cross multiply
   17,949.78x = 24,772.16 × 9,992.14
4. Step 4: Simplify right side
   17,949.78x = 247,526,890.82
5. Step 5: Solve for x
   x = 247,526,890.82/17,949.78
6. Step 6: Final answer
   x = 13,789.97