Finding the Fourth Proportional to 1,367.60, 1,886.95 and 800.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.60 : 1,886.95 = 800.34 : x
2. Step 2: Convert to fraction form
   1,367.60/1,886.95 = 800.34/x
3. Step 3: Cross multiply
   1,367.60x = 1,886.95 × 800.34
4. Step 4: Simplify right side
   1,367.60x = 1,510,201.60
5. Step 5: Solve for x
   x = 1,510,201.60/1,367.60
6. Step 6: Final answer
   x = 1,104.28