Finding the Fourth Proportional to 1,013.08, 1,395.78 and 792.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.08 : 1,395.78 = 792.04 : x
2. Step 2: Convert to fraction form
   1,013.08/1,395.78 = 792.04/x
3. Step 3: Cross multiply
   1,013.08x = 1,395.78 × 792.04
4. Step 4: Simplify right side
   1,013.08x = 1,105,513.59
5. Step 5: Solve for x
   x = 1,105,513.59/1,013.08
6. Step 6: Final answer
   x = 1,091.24