Finding the Fourth Proportional to 12,746.74, 17,589.90 and 7,081.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.74 : 17,589.90 = 7,081.85 : x
2. Step 2: Convert to fraction form
   12,746.74/17,589.90 = 7,081.85/x
3. Step 3: Cross multiply
   12,746.74x = 17,589.90 × 7,081.85
4. Step 4: Simplify right side
   12,746.74x = 124,569,033.32
5. Step 5: Solve for x
   x = 124,569,033.32/12,746.74
6. Step 6: Final answer
   x = 9,772.62