Finding the Fourth Proportional to 1,367.30, 1,886.97 and 807.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.30 : 1,886.97 = 807.82 : x
2. Step 2: Convert to fraction form
   1,367.30/1,886.97 = 807.82/x
3. Step 3: Cross multiply
   1,367.30x = 1,886.97 × 807.82
4. Step 4: Simplify right side
   1,367.30x = 1,524,338.76
5. Step 5: Solve for x
   x = 1,524,338.76/1,367.30
6. Step 6: Final answer
   x = 1,114.85