Finding the Fourth Proportional to 1,132.89, 1,563.33 and 660.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.89 : 1,563.33 = 660.93 : x
2. Step 2: Convert to fraction form
   1,132.89/1,563.33 = 660.93/x
3. Step 3: Cross multiply
   1,132.89x = 1,563.33 × 660.93
4. Step 4: Simplify right side
   1,132.89x = 1,033,248.31
5. Step 5: Solve for x
   x = 1,033,248.31/1,132.89
6. Step 6: Final answer
   x = 912.05