Finding the Fourth Proportional to 1,414.22, 1,951.60 and 784.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,414.22 : 1,951.60 = 784.74 : x
2. Step 2: Convert to fraction form
   1,414.22/1,951.60 = 784.74/x
3. Step 3: Cross multiply
   1,414.22x = 1,951.60 × 784.74
4. Step 4: Simplify right side
   1,414.22x = 1,531,500.73
5. Step 5: Solve for x
   x = 1,531,500.73/1,414.22
6. Step 6: Final answer
   x = 1,082.93