Finding the Fourth Proportional to 3,777.87, 5,665.22 and 2,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.87 : 5,665.22 = 2,022.50 : x
2. Step 2: Convert to fraction form
   3,777.87/5,665.22 = 2,022.50/x
3. Step 3: Cross multiply
   3,777.87x = 5,665.22 × 2,022.50
4. Step 4: Simplify right side
   3,777.87x = 11,457,869.01
5. Step 5: Solve for x
   x = 11,457,869.01/3,777.87
6. Step 6: Final answer
   x = 3,032.89