Finding the Fourth Proportional to 1,594.78, 2,200.78 and 896.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,594.78 : 2,200.78 = 896.16 : x
2. Step 2: Convert to fraction form
   1,594.78/2,200.78 = 896.16/x
3. Step 3: Cross multiply
   1,594.78x = 2,200.78 × 896.16
4. Step 4: Simplify right side
   1,594.78x = 1,972,251.00
5. Step 5: Solve for x
   x = 1,972,251.00/1,594.78
6. Step 6: Final answer
   x = 1,236.69