Finding the Fourth Proportional to 3,901.42, 5,383.56 and 2,329.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.42 : 5,383.56 = 2,329.30 : x
2. Step 2: Convert to fraction form
   3,901.42/5,383.56 = 2,329.30/x
3. Step 3: Cross multiply
   3,901.42x = 5,383.56 × 2,329.30
4. Step 4: Simplify right side
   3,901.42x = 12,539,926.31
5. Step 5: Solve for x
   x = 12,539,926.31/3,901.42
6. Step 6: Final answer
   x = 3,214.20