Finding the Fourth Proportional to 3,912.42, 5,864.53 and 1,830.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.42 : 5,864.53 = 1,830.67 : x
2. Step 2: Convert to fraction form
   3,912.42/5,864.53 = 1,830.67/x
3. Step 3: Cross multiply
   3,912.42x = 5,864.53 × 1,830.67
4. Step 4: Simplify right side
   3,912.42x = 10,736,019.14
5. Step 5: Solve for x
   x = 10,736,019.14/3,912.42
6. Step 6: Final answer
   x = 2,744.09