Finding the Fourth Proportional to 3,758.34, 5,629.80 and 2,111.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.34 : 5,629.80 = 2,111.43 : x
2. Step 2: Convert to fraction form
   3,758.34/5,629.80 = 2,111.43/x
3. Step 3: Cross multiply
   3,758.34x = 5,629.80 × 2,111.43
4. Step 4: Simplify right side
   3,758.34x = 11,886,900.47
5. Step 5: Solve for x
   x = 11,886,900.47/3,758.34
6. Step 6: Final answer
   x = 3,162.81