Finding the Fourth Proportional to 1,402.79, 1,934.35 and 959.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.79 : 1,934.35 = 959.99 : x
2. Step 2: Convert to fraction form
   1,402.79/1,934.35 = 959.99/x
3. Step 3: Cross multiply
   1,402.79x = 1,934.35 × 959.99
4. Step 4: Simplify right side
   1,402.79x = 1,856,944.58
5. Step 5: Solve for x
   x = 1,856,944.58/1,402.79
6. Step 6: Final answer
   x = 1,323.76