Finding the Fourth Proportional to 1,559.86, 2,152.60 and 896.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.86 : 2,152.60 = 896.83 : x
2. Step 2: Convert to fraction form
   1,559.86/2,152.60 = 896.83/x
3. Step 3: Cross multiply
   1,559.86x = 2,152.60 × 896.83
4. Step 4: Simplify right side
   1,559.86x = 1,930,516.26
5. Step 5: Solve for x
   x = 1,930,516.26/1,559.86
6. Step 6: Final answer
   x = 1,237.62