Finding the Fourth Proportional to 1,132, 1,561.76 and 659.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132 : 1,561.76 = 659.72 : x
2. Step 2: Convert to fraction form
   1,132/1,561.76 = 659.72/x
3. Step 3: Cross multiply
   1,132x = 1,561.76 × 659.72
4. Step 4: Simplify right side
   1,132x = 1,030,324.31
5. Step 5: Solve for x
   x = 1,030,324.31/1,132
6. Step 6: Final answer
   x = 910.18