Finding the Fourth Proportional to 12,400.98, 17,108.52 and 7,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,400.98 : 17,108.52 = 7,092.96 : x
2. Step 2: Convert to fraction form
   12,400.98/17,108.52 = 7,092.96/x
3. Step 3: Cross multiply
   12,400.98x = 17,108.52 × 7,092.96
4. Step 4: Simplify right side
   12,400.98x = 121,350,048.02
5. Step 5: Solve for x
   x = 121,350,048.02/12,400.98
6. Step 6: Final answer
   x = 9,785.52