Finding the Fourth Proportional to 1,406.71, 1,941.87 and 966.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.71 : 1,941.87 = 966.88 : x
2. Step 2: Convert to fraction form
   1,406.71/1,941.87 = 966.88/x
3. Step 3: Cross multiply
   1,406.71x = 1,941.87 × 966.88
4. Step 4: Simplify right side
   1,406.71x = 1,877,555.27
5. Step 5: Solve for x
   x = 1,877,555.27/1,406.71
6. Step 6: Final answer
   x = 1,334.71