Finding the Fourth Proportional to 1,359.20, 1,875.84 and 799.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.20 : 1,875.84 = 799.94 : x
2. Step 2: Convert to fraction form
   1,359.20/1,875.84 = 799.94/x
3. Step 3: Cross multiply
   1,359.20x = 1,875.84 × 799.94
4. Step 4: Simplify right side
   1,359.20x = 1,500,559.45
5. Step 5: Solve for x
   x = 1,500,559.45/1,359.20
6. Step 6: Final answer
   x = 1,104.00