Finding the Fourth Proportional to 1,662.42, 2,294.12 and 916.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.42 : 2,294.12 = 916.46 : x
2. Step 2: Convert to fraction form
   1,662.42/2,294.12 = 916.46/x
3. Step 3: Cross multiply
   1,662.42x = 2,294.12 × 916.46
4. Step 4: Simplify right side
   1,662.42x = 2,102,453.16
5. Step 5: Solve for x
   x = 2,102,453.16/1,662.42
6. Step 6: Final answer
   x = 1,264.69