Finding the Fourth Proportional to 3,700.29, 5,106.33 and 2,021.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.29 : 5,106.33 = 2,021.69 : x
2. Step 2: Convert to fraction form
   3,700.29/5,106.33 = 2,021.69/x
3. Step 3: Cross multiply
   3,700.29x = 5,106.33 × 2,021.69
4. Step 4: Simplify right side
   3,700.29x = 10,323,429.06
5. Step 5: Solve for x
   x = 10,323,429.06/3,700.29
6. Step 6: Final answer
   x = 2,789.89