Finding the Fourth Proportional to 5,760.92, 8,637.72 and 3,812.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,760.92 : 8,637.72 = 3,812.12 : x
2. Step 2: Convert to fraction form
   5,760.92/8,637.72 = 3,812.12/x
3. Step 3: Cross multiply
   5,760.92x = 8,637.72 × 3,812.12
4. Step 4: Simplify right side
   5,760.92x = 32,928,025.17
5. Step 5: Solve for x
   x = 32,928,025.17/5,760.92
6. Step 6: Final answer
   x = 5,715.76