Finding the Fourth Proportional to 1,560.96, 2,152.23 and 1,089.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560.96 : 2,152.23 = 1,089.27 : x
2. Step 2: Convert to fraction form
   1,560.96/2,152.23 = 1,089.27/x
3. Step 3: Cross multiply
   1,560.96x = 2,152.23 × 1,089.27
4. Step 4: Simplify right side
   1,560.96x = 2,344,359.57
5. Step 5: Solve for x
   x = 2,344,359.57/1,560.96
6. Step 6: Final answer
   x = 1,501.87