Finding the Fourth Proportional to 2,367.90, 3,552.22 and 807.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.90 : 3,552.22 = 807.98 : x
2. Step 2: Convert to fraction form
   2,367.90/3,552.22 = 807.98/x
3. Step 3: Cross multiply
   2,367.90x = 3,552.22 × 807.98
4. Step 4: Simplify right side
   2,367.90x = 2,870,122.72
5. Step 5: Solve for x
   x = 2,870,122.72/2,367.90
6. Step 6: Final answer
   x = 1,212.10