Finding the Fourth Proportional to 7,499.78, 11,249.61 and 2,502.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.78 : 11,249.61 = 2,502.54 : x
2. Step 2: Convert to fraction form
   7,499.78/11,249.61 = 2,502.54/x
3. Step 3: Cross multiply
   7,499.78x = 11,249.61 × 2,502.54
4. Step 4: Simplify right side
   7,499.78x = 28,152,599.01
5. Step 5: Solve for x
   x = 28,152,599.01/7,499.78
6. Step 6: Final answer
   x = 3,753.79