Finding the Fourth Proportional to 1,340.51, 1,849.05 and 966.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.51 : 1,849.05 = 966.90 : x
2. Step 2: Convert to fraction form
   1,340.51/1,849.05 = 966.90/x
3. Step 3: Cross multiply
   1,340.51x = 1,849.05 × 966.90
4. Step 4: Simplify right side
   1,340.51x = 1,787,846.45
5. Step 5: Solve for x
   x = 1,787,846.45/1,340.51
6. Step 6: Final answer
   x = 1,333.70