Finding the Fourth Proportional to 1,381.48, 1,906.02 and 966.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.48 : 1,906.02 = 966.76 : x
2. Step 2: Convert to fraction form
   1,381.48/1,906.02 = 966.76/x
3. Step 3: Cross multiply
   1,381.48x = 1,906.02 × 966.76
4. Step 4: Simplify right side
   1,381.48x = 1,842,663.90
5. Step 5: Solve for x
   x = 1,842,663.90/1,381.48
6. Step 6: Final answer
   x = 1,333.83