Finding the Fourth Proportional to 3,700.32, 5,106.41 and 2,021.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.32 : 5,106.41 = 2,021.73 : x
2. Step 2: Convert to fraction form
   3,700.32/5,106.41 = 2,021.73/x
3. Step 3: Cross multiply
   3,700.32x = 5,106.41 × 2,021.73
4. Step 4: Simplify right side
   3,700.32x = 10,323,782.29
5. Step 5: Solve for x
   x = 10,323,782.29/3,700.32
6. Step 6: Final answer
   x = 2,789.97