Finding the Fourth Proportional to 3,840.72, 5,300.04 and 2,268.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.72 : 5,300.04 = 2,268.88 : x
2. Step 2: Convert to fraction form
   3,840.72/5,300.04 = 2,268.88/x
3. Step 3: Cross multiply
   3,840.72x = 5,300.04 × 2,268.88
4. Step 4: Simplify right side
   3,840.72x = 12,025,154.76
5. Step 5: Solve for x
   x = 12,025,154.76/3,840.72
6. Step 6: Final answer
   x = 3,130.96