Finding the Fourth Proportional to 1,351.78, 1,865.34 and 792.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.78 : 1,865.34 = 792.27 : x
2. Step 2: Convert to fraction form
   1,351.78/1,865.34 = 792.27/x
3. Step 3: Cross multiply
   1,351.78x = 1,865.34 × 792.27
4. Step 4: Simplify right side
   1,351.78x = 1,477,852.92
5. Step 5: Solve for x
   x = 1,477,852.92/1,351.78
6. Step 6: Final answer
   x = 1,093.26