Finding the Fourth Proportional to 3,901.42, 5,383.83 and 2,328.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.42 : 5,383.83 = 2,328.58 : x
2. Step 2: Convert to fraction form
   3,901.42/5,383.83 = 2,328.58/x
3. Step 3: Cross multiply
   3,901.42x = 5,383.83 × 2,328.58
4. Step 4: Simplify right side
   3,901.42x = 12,536,678.86
5. Step 5: Solve for x
   x = 12,536,678.86/3,901.42
6. Step 6: Final answer
   x = 3,213.36