Finding the Fourth Proportional to 1,354.34, 1,872.17 and 964.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.34 : 1,872.17 = 964.73 : x
2. Step 2: Convert to fraction form
   1,354.34/1,872.17 = 964.73/x
3. Step 3: Cross multiply
   1,354.34x = 1,872.17 × 964.73
4. Step 4: Simplify right side
   1,354.34x = 1,806,124.38
5. Step 5: Solve for x
   x = 1,806,124.38/1,354.34
6. Step 6: Final answer
   x = 1,333.59