Finding the Fourth Proportional to 2,367.18, 3,551.28 and 807.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.18 : 3,551.28 = 807.34 : x
2. Step 2: Convert to fraction form
   2,367.18/3,551.28 = 807.34/x
3. Step 3: Cross multiply
   2,367.18x = 3,551.28 × 807.34
4. Step 4: Simplify right side
   2,367.18x = 2,867,090.40
5. Step 5: Solve for x
   x = 2,867,090.40/2,367.18
6. Step 6: Final answer
   x = 1,211.18