Finding the Fourth Proportional to 3,933.50, 5,428.98 and 2,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.50 : 5,428.98 = 2,340.50 : x
2. Step 2: Convert to fraction form
   3,933.50/5,428.98 = 2,340.50/x
3. Step 3: Cross multiply
   3,933.50x = 5,428.98 × 2,340.50
4. Step 4: Simplify right side
   3,933.50x = 12,706,527.69
5. Step 5: Solve for x
   x = 12,706,527.69/3,933.50
6. Step 6: Final answer
   x = 3,230.34