Finding the Fourth Proportional to 1,662.84, 2,294.67 and 916.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.84 : 2,294.67 = 916.83 : x
2. Step 2: Convert to fraction form
   1,662.84/2,294.67 = 916.83/x
3. Step 3: Cross multiply
   1,662.84x = 2,294.67 × 916.83
4. Step 4: Simplify right side
   1,662.84x = 2,103,822.30
5. Step 5: Solve for x
   x = 2,103,822.30/1,662.84
6. Step 6: Final answer
   x = 1,265.20