Finding the Fourth Proportional to 1,401.45, 1,934.47 and 960.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.45 : 1,934.47 = 960.63 : x
2. Step 2: Convert to fraction form
   1,401.45/1,934.47 = 960.63/x
3. Step 3: Cross multiply
   1,401.45x = 1,934.47 × 960.63
4. Step 4: Simplify right side
   1,401.45x = 1,858,305.11
5. Step 5: Solve for x
   x = 1,858,305.11/1,401.45
6. Step 6: Final answer
   x = 1,325.99