Finding the Fourth Proportional to 12,744.93, 17,590.82 and 7,081.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,744.93 : 17,590.82 = 7,081.63 : x
2. Step 2: Convert to fraction form
   12,744.93/17,590.82 = 7,081.63/x
3. Step 3: Cross multiply
   12,744.93x = 17,590.82 × 7,081.63
4. Step 4: Simplify right side
   12,744.93x = 124,571,634.66
5. Step 5: Solve for x
   x = 124,571,634.66/12,744.93
6. Step 6: Final answer
   x = 9,774.21