Finding the Fourth Proportional to 3,798.96, 5,240.78 and 2,472.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,798.96 : 5,240.78 = 2,472.18 : x
2. Step 2: Convert to fraction form
   3,798.96/5,240.78 = 2,472.18/x
3. Step 3: Cross multiply
   3,798.96x = 5,240.78 × 2,472.18
4. Step 4: Simplify right side
   3,798.96x = 12,956,151.50
5. Step 5: Solve for x
   x = 12,956,151.50/3,798.96
6. Step 6: Final answer
   x = 3,410.45