Finding the Fourth Proportional to 2,890.82, 4,336.20 and 2,404.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.82 : 4,336.20 = 2,404.22 : x
2. Step 2: Convert to fraction form
   2,890.82/4,336.20 = 2,404.22/x
3. Step 3: Cross multiply
   2,890.82x = 4,336.20 × 2,404.22
4. Step 4: Simplify right side
   2,890.82x = 10,425,178.76
5. Step 5: Solve for x
   x = 10,425,178.76/2,890.82
6. Step 6: Final answer
   x = 3,606.31