Finding the Fourth Proportional to 1,550.52, 2,321.94 and 899.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.52 : 2,321.94 = 899.28 : x
2. Step 2: Convert to fraction form
   1,550.52/2,321.94 = 899.28/x
3. Step 3: Cross multiply
   1,550.52x = 2,321.94 × 899.28
4. Step 4: Simplify right side
   1,550.52x = 2,088,074.20
5. Step 5: Solve for x
   x = 2,088,074.20/1,550.52
6. Step 6: Final answer
   x = 1,346.69