Finding the Fourth Proportional to 1,360.05, 1,876.83 and 800.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.05 : 1,876.83 = 800.39 : x
2. Step 2: Convert to fraction form
   1,360.05/1,876.83 = 800.39/x
3. Step 3: Cross multiply
   1,360.05x = 1,876.83 × 800.39
4. Step 4: Simplify right side
   1,360.05x = 1,502,182.58
5. Step 5: Solve for x
   x = 1,502,182.58/1,360.05
6. Step 6: Final answer
   x = 1,104.51