Finding the Fourth Proportional to 12,759.77, 19,144.04 and 5,744.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,759.77 : 19,144.04 = 5,744.70 : x
2. Step 2: Convert to fraction form
   12,759.77/19,144.04 = 5,744.70/x
3. Step 3: Cross multiply
   12,759.77x = 19,144.04 × 5,744.70
4. Step 4: Simplify right side
   12,759.77x = 109,976,737.86
5. Step 5: Solve for x
   x = 109,976,737.86/12,759.77
6. Step 6: Final answer
   x = 8,619.03