Finding the Fourth Proportional to 1,406.66, 1,941.27 and 964.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.66 : 1,941.27 = 964.76 : x
2. Step 2: Convert to fraction form
   1,406.66/1,941.27 = 964.76/x
3. Step 3: Cross multiply
   1,406.66x = 1,941.27 × 964.76
4. Step 4: Simplify right side
   1,406.66x = 1,872,859.65
5. Step 5: Solve for x
   x = 1,872,859.65/1,406.66
6. Step 6: Final answer
   x = 1,331.42