Finding the Fourth Proportional to 1,096.73, 1,512.82 and 947.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.73 : 1,512.82 = 947.96 : x
2. Step 2: Convert to fraction form
   1,096.73/1,512.82 = 947.96/x
3. Step 3: Cross multiply
   1,096.73x = 1,512.82 × 947.96
4. Step 4: Simplify right side
   1,096.73x = 1,434,092.85
5. Step 5: Solve for x
   x = 1,434,092.85/1,096.73
6. Step 6: Final answer
   x = 1,307.61