Finding the Fourth Proportional to 1,367.04, 1,886.40 and 807.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.04 : 1,886.40 = 807.42 : x
2. Step 2: Convert to fraction form
   1,367.04/1,886.40 = 807.42/x
3. Step 3: Cross multiply
   1,367.04x = 1,886.40 × 807.42
4. Step 4: Simplify right side
   1,367.04x = 1,523,117.09
5. Step 5: Solve for x
   x = 1,523,117.09/1,367.04
6. Step 6: Final answer
   x = 1,114.17