Finding the Fourth Proportional to 1,052.79, 1,452.90 and 659.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.79 : 1,452.90 = 659.94 : x
2. Step 2: Convert to fraction form
   1,052.79/1,452.90 = 659.94/x
3. Step 3: Cross multiply
   1,052.79x = 1,452.90 × 659.94
4. Step 4: Simplify right side
   1,052.79x = 958,826.83
5. Step 5: Solve for x
   x = 958,826.83/1,052.79
6. Step 6: Final answer
   x = 910.75