Finding the Fourth Proportional to 3,840.57, 5,301.32 and 2,268.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.57 : 5,301.32 = 2,268.56 : x
2. Step 2: Convert to fraction form
   3,840.57/5,301.32 = 2,268.56/x
3. Step 3: Cross multiply
   3,840.57x = 5,301.32 × 2,268.56
4. Step 4: Simplify right side
   3,840.57x = 12,026,364.41
5. Step 5: Solve for x
   x = 12,026,364.41/3,840.57
6. Step 6: Final answer
   x = 3,131.40