Finding the Fourth Proportional to 2,827.02, 3,903.23 and 2,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,827.02 : 3,903.23 = 2,162.72 : x
2. Step 2: Convert to fraction form
   2,827.02/3,903.23 = 2,162.72/x
3. Step 3: Cross multiply
   2,827.02x = 3,903.23 × 2,162.72
4. Step 4: Simplify right side
   2,827.02x = 8,441,579.48
5. Step 5: Solve for x
   x = 8,441,579.48/2,827.02
6. Step 6: Final answer
   x = 2,986.03