Finding the Fourth Proportional to 3,807.92, 5,253.98 and 2,391.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.92 : 5,253.98 = 2,391.84 : x
2. Step 2: Convert to fraction form
   3,807.92/5,253.98 = 2,391.84/x
3. Step 3: Cross multiply
   3,807.92x = 5,253.98 × 2,391.84
4. Step 4: Simplify right side
   3,807.92x = 12,566,667.56
5. Step 5: Solve for x
   x = 12,566,667.56/3,807.92
6. Step 6: Final answer
   x = 3,300.14