Finding the Fourth Proportional to 1,940.18, 2,909.30 and 966.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.18 : 2,909.30 = 966.82 : x
2. Step 2: Convert to fraction form
   1,940.18/2,909.30 = 966.82/x
3. Step 3: Cross multiply
   1,940.18x = 2,909.30 × 966.82
4. Step 4: Simplify right side
   1,940.18x = 2,812,769.43
5. Step 5: Solve for x
   x = 2,812,769.43/1,940.18
6. Step 6: Final answer
   x = 1,449.75