Finding the Fourth Proportional to 3,389.55, 4,676.54 and 2,268.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.55 : 4,676.54 = 2,268.71 : x
2. Step 2: Convert to fraction form
   3,389.55/4,676.54 = 2,268.71/x
3. Step 3: Cross multiply
   3,389.55x = 4,676.54 × 2,268.71
4. Step 4: Simplify right side
   3,389.55x = 10,609,695.87
5. Step 5: Solve for x
   x = 10,609,695.87/3,389.55
6. Step 6: Final answer
   x = 3,130.12