Finding the Fourth Proportional to 2,500.16, 3,444.64 and 2,267.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.16 : 3,444.64 = 2,267.20 : x
2. Step 2: Convert to fraction form
   2,500.16/3,444.64 = 2,267.20/x
3. Step 3: Cross multiply
   2,500.16x = 3,444.64 × 2,267.20
4. Step 4: Simplify right side
   2,500.16x = 7,809,687.81
5. Step 5: Solve for x
   x = 7,809,687.81/2,500.16
6. Step 6: Final answer
   x = 3,123.68