Finding the Fourth Proportional to 1,957.03, 2,933.49 and 916.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,957.03 : 2,933.49 = 916.15 : x
2. Step 2: Convert to fraction form
   1,957.03/2,933.49 = 916.15/x
3. Step 3: Cross multiply
   1,957.03x = 2,933.49 × 916.15
4. Step 4: Simplify right side
   1,957.03x = 2,687,530.33
5. Step 5: Solve for x
   x = 2,687,530.33/1,957.03
6. Step 6: Final answer
   x = 1,373.27