Finding the Fourth Proportional to 1,662.56, 2,294.44 and 916.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.56 : 2,294.44 = 916.52 : x
2. Step 2: Convert to fraction form
   1,662.56/2,294.44 = 916.52/x
3. Step 3: Cross multiply
   1,662.56x = 2,294.44 × 916.52
4. Step 4: Simplify right side
   1,662.56x = 2,102,900.15
5. Step 5: Solve for x
   x = 2,102,900.15/1,662.56
6. Step 6: Final answer
   x = 1,264.86