Finding the Fourth Proportional to 1,057.59, 1,459.88 and 946.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.59 : 1,459.88 = 946.86 : x
2. Step 2: Convert to fraction form
   1,057.59/1,459.88 = 946.86/x
3. Step 3: Cross multiply
   1,057.59x = 1,459.88 × 946.86
4. Step 4: Simplify right side
   1,057.59x = 1,382,297.24
5. Step 5: Solve for x
   x = 1,382,297.24/1,057.59
6. Step 6: Final answer
   x = 1,307.03