Finding the Fourth Proportional to 1,662.90, 2,294.82 and 916.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.90 : 2,294.82 = 916.85 : x
2. Step 2: Convert to fraction form
   1,662.90/2,294.82 = 916.85/x
3. Step 3: Cross multiply
   1,662.90x = 2,294.82 × 916.85
4. Step 4: Simplify right side
   1,662.90x = 2,104,005.72
5. Step 5: Solve for x
   x = 2,104,005.72/1,662.90
6. Step 6: Final answer
   x = 1,265.26