Finding the Fourth Proportional to 1,385.54, 1,911.89 and 796.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.54 : 1,911.89 = 796.26 : x
2. Step 2: Convert to fraction form
   1,385.54/1,911.89 = 796.26/x
3. Step 3: Cross multiply
   1,385.54x = 1,911.89 × 796.26
4. Step 4: Simplify right side
   1,385.54x = 1,522,366.21
5. Step 5: Solve for x
   x = 1,522,366.21/1,385.54
6. Step 6: Final answer
   x = 1,098.75