Finding the Fourth Proportional to 2,827.10, 3,904.81 and 2,472.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,827.10 : 3,904.81 = 2,472.12 : x
2. Step 2: Convert to fraction form
   2,827.10/3,904.81 = 2,472.12/x
3. Step 3: Cross multiply
   2,827.10x = 3,904.81 × 2,472.12
4. Step 4: Simplify right side
   2,827.10x = 9,653,152.72
5. Step 5: Solve for x
   x = 9,653,152.72/2,827.10
6. Step 6: Final answer
   x = 3,414.50