Finding the Fourth Proportional to 1,457.39, 2,012.04 and 959.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.39 : 2,012.04 = 959.85 : x
2. Step 2: Convert to fraction form
   1,457.39/2,012.04 = 959.85/x
3. Step 3: Cross multiply
   1,457.39x = 2,012.04 × 959.85
4. Step 4: Simplify right side
   1,457.39x = 1,931,256.59
5. Step 5: Solve for x
   x = 1,931,256.59/1,457.39
6. Step 6: Final answer
   x = 1,325.15