Finding the Fourth Proportional to 1,662.76, 2,294.61 and 916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.76 : 2,294.61 = 916.72 : x
2. Step 2: Convert to fraction form
   1,662.76/2,294.61 = 916.72/x
3. Step 3: Cross multiply
   1,662.76x = 2,294.61 × 916.72
4. Step 4: Simplify right side
   1,662.76x = 2,103,521.19
5. Step 5: Solve for x
   x = 2,103,521.19/1,662.76
6. Step 6: Final answer
   x = 1,265.08