Finding the Fourth Proportional to 1,414.76, 1,951.10 and 916.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.76 : 1,951.10 = 916.90 : x
2. Step 2: Convert to fraction form
   1,414.76/1,951.10 = 916.90/x
3. Step 3: Cross multiply
   1,414.76x = 1,951.10 × 916.90
4. Step 4: Simplify right side
   1,414.76x = 1,788,963.59
5. Step 5: Solve for x
   x = 1,788,963.59/1,414.76
6. Step 6: Final answer
   x = 1,264.50