Finding the Fourth Proportional to 2,200.94, 3,294.12 and 1,331

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.94 : 3,294.12 = 1,331 : x
2. Step 2: Convert to fraction form
   2,200.94/3,294.12 = 1,331/x
3. Step 3: Cross multiply
   2,200.94x = 3,294.12 × 1,331
4. Step 4: Simplify right side
   2,200.94x = 4,384,473.72
5. Step 5: Solve for x
   x = 4,384,473.72/2,200.94
6. Step 6: Final answer
   x = 1,992.09