Finding the Fourth Proportional to 2,881.33, 3,976.30 and 1,622.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881.33 : 3,976.30 = 1,622.43 : x
2. Step 2: Convert to fraction form
   2,881.33/3,976.30 = 1,622.43/x
3. Step 3: Cross multiply
   2,881.33x = 3,976.30 × 1,622.43
4. Step 4: Simplify right side
   2,881.33x = 6,451,250.56
5. Step 5: Solve for x
   x = 6,451,250.56/2,881.33
6. Step 6: Final answer
   x = 2,238.99