Finding the Fourth Proportional to 3,776.43, 5,674.22 and 2,390.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.43 : 5,674.22 = 2,390.42 : x
2. Step 2: Convert to fraction form
   3,776.43/5,674.22 = 2,390.42/x
3. Step 3: Cross multiply
   3,776.43x = 5,674.22 × 2,390.42
4. Step 4: Simplify right side
   3,776.43x = 13,563,780.17
5. Step 5: Solve for x
   x = 13,563,780.17/3,776.43
6. Step 6: Final answer
   x = 3,591.69