Finding the Fourth Proportional to 1,359.58, 1,876.21 and 800.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.58 : 1,876.21 = 800.04 : x
2. Step 2: Convert to fraction form
   1,359.58/1,876.21 = 800.04/x
3. Step 3: Cross multiply
   1,359.58x = 1,876.21 × 800.04
4. Step 4: Simplify right side
   1,359.58x = 1,501,043.05
5. Step 5: Solve for x
   x = 1,501,043.05/1,359.58
6. Step 6: Final answer
   x = 1,104.05