Finding the Fourth Proportional to 1,057.59, 1,459.37 and 659.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.59 : 1,459.37 = 659.82 : x
2. Step 2: Convert to fraction form
   1,057.59/1,459.37 = 659.82/x
3. Step 3: Cross multiply
   1,057.59x = 1,459.37 × 659.82
4. Step 4: Simplify right side
   1,057.59x = 962,923.16
5. Step 5: Solve for x
   x = 962,923.16/1,057.59
6. Step 6: Final answer
   x = 910.49