Finding the Fourth Proportional to 12,747.27, 17,590.98 and 7,081.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.27 : 17,590.98 = 7,081.99 : x
2. Step 2: Convert to fraction form
   12,747.27/17,590.98 = 7,081.99/x
3. Step 3: Cross multiply
   12,747.27x = 17,590.98 × 7,081.99
4. Step 4: Simplify right side
   12,747.27x = 124,579,144.45
5. Step 5: Solve for x
   x = 124,579,144.45/12,747.27
6. Step 6: Final answer
   x = 9,773.01