Finding the Fourth Proportional to 2,500.17, 3,451.64 and 2,223.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.17 : 3,451.64 = 2,223.33 : x
2. Step 2: Convert to fraction form
   2,500.17/3,451.64 = 2,223.33/x
3. Step 3: Cross multiply
   2,500.17x = 3,451.64 × 2,223.33
4. Step 4: Simplify right side
   2,500.17x = 7,674,134.76
5. Step 5: Solve for x
   x = 7,674,134.76/2,500.17
6. Step 6: Final answer
   x = 3,069.45