Finding the Fourth Proportional to 1,359.69, 1,876.38 and 800.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.69 : 1,876.38 = 800.16 : x
2. Step 2: Convert to fraction form
   1,359.69/1,876.38 = 800.16/x
3. Step 3: Cross multiply
   1,359.69x = 1,876.38 × 800.16
4. Step 4: Simplify right side
   1,359.69x = 1,501,408.26
5. Step 5: Solve for x
   x = 1,501,408.26/1,359.69
6. Step 6: Final answer
   x = 1,104.23