Finding the Fourth Proportional to 1,420.94, 1,961.33 and 949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.94 : 1,961.33 = 949.52 : x
2. Step 2: Convert to fraction form
   1,420.94/1,961.33 = 949.52/x
3. Step 3: Cross multiply
   1,420.94x = 1,961.33 × 949.52
4. Step 4: Simplify right side
   1,420.94x = 1,862,322.22
5. Step 5: Solve for x
   x = 1,862,322.22/1,420.94
6. Step 6: Final answer
   x = 1,310.62