Finding the Fourth Proportional to 1,550.88, 2,319.12 and 1,200.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.88 : 2,319.12 = 1,200.24 : x
2. Step 2: Convert to fraction form
   1,550.88/2,319.12 = 1,200.24/x
3. Step 3: Cross multiply
   1,550.88x = 2,319.12 × 1,200.24
4. Step 4: Simplify right side
   1,550.88x = 2,783,500.59
5. Step 5: Solve for x
   x = 2,783,500.59/1,550.88
6. Step 6: Final answer
   x = 1,794.79