Finding the Fourth Proportional to 7,499.54, 11,250.89 and 2,819.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.54 : 11,250.89 = 2,819.59 : x
2. Step 2: Convert to fraction form
   7,499.54/11,250.89 = 2,819.59/x
3. Step 3: Cross multiply
   7,499.54x = 11,250.89 × 2,819.59
4. Step 4: Simplify right side
   7,499.54x = 31,722,896.94
5. Step 5: Solve for x
   x = 31,722,896.94/7,499.54
6. Step 6: Final answer
   x = 4,229.98