Finding the Fourth Proportional to 3,840.93, 5,304.42 and 3,308.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.93 : 5,304.42 = 3,308.76 : x
2. Step 2: Convert to fraction form
   3,840.93/5,304.42 = 3,308.76/x
3. Step 3: Cross multiply
   3,840.93x = 5,304.42 × 3,308.76
4. Step 4: Simplify right side
   3,840.93x = 17,551,052.72
5. Step 5: Solve for x
   x = 17,551,052.72/3,840.93
6. Step 6: Final answer
   x = 4,569.48