Finding the Fourth Proportional to 5,759.91, 8,640.78 and 2,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,759.91 : 8,640.78 = 2,061.12 : x
2. Step 2: Convert to fraction form
   5,759.91/8,640.78 = 2,061.12/x
3. Step 3: Cross multiply
   5,759.91x = 8,640.78 × 2,061.12
4. Step 4: Simplify right side
   5,759.91x = 17,809,684.47
5. Step 5: Solve for x
   x = 17,809,684.47/5,759.91
6. Step 6: Final answer
   x = 3,092.01