Finding the Fourth Proportional to 1,360.29, 1,876.65 and 800.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.29 : 1,876.65 = 800.39 : x
2. Step 2: Convert to fraction form
   1,360.29/1,876.65 = 800.39/x
3. Step 3: Cross multiply
   1,360.29x = 1,876.65 × 800.39
4. Step 4: Simplify right side
   1,360.29x = 1,502,042.51
5. Step 5: Solve for x
   x = 1,502,042.51/1,360.29
6. Step 6: Final answer
   x = 1,104.21