Finding the Fourth Proportional to 1,150.55, 1,586.82 and 708.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.55 : 1,586.82 = 708.29 : x
2. Step 2: Convert to fraction form
   1,150.55/1,586.82 = 708.29/x
3. Step 3: Cross multiply
   1,150.55x = 1,586.82 × 708.29
4. Step 4: Simplify right side
   1,150.55x = 1,123,928.74
5. Step 5: Solve for x
   x = 1,123,928.74/1,150.55
6. Step 6: Final answer
   x = 976.86