Finding the Fourth Proportional to 1,385.73, 1,911.72 and 796.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.73 : 1,911.72 = 796.14 : x
2. Step 2: Convert to fraction form
   1,385.73/1,911.72 = 796.14/x
3. Step 3: Cross multiply
   1,385.73x = 1,911.72 × 796.14
4. Step 4: Simplify right side
   1,385.73x = 1,521,996.76
5. Step 5: Solve for x
   x = 1,521,996.76/1,385.73
6. Step 6: Final answer
   x = 1,098.34