Finding the Fourth Proportional to 3,700.76, 5,106.89 and 2,022.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.76 : 5,106.89 = 2,022.09 : x
2. Step 2: Convert to fraction form
   3,700.76/5,106.89 = 2,022.09/x
3. Step 3: Cross multiply
   3,700.76x = 5,106.89 × 2,022.09
4. Step 4: Simplify right side
   3,700.76x = 10,326,573.38
5. Step 5: Solve for x
   x = 10,326,573.38/3,700.76
6. Step 6: Final answer
   x = 2,790.39