Finding the Fourth Proportional to 1,662.35, 2,294.05 and 916.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.35 : 2,294.05 = 916.37 : x
2. Step 2: Convert to fraction form
   1,662.35/2,294.05 = 916.37/x
3. Step 3: Cross multiply
   1,662.35x = 2,294.05 × 916.37
4. Step 4: Simplify right side
   1,662.35x = 2,102,198.60
5. Step 5: Solve for x
   x = 2,102,198.60/1,662.35
6. Step 6: Final answer
   x = 1,264.59