Finding the Fourth Proportional to 7,499.72, 11,247.60 and 2,233.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.72 : 11,247.60 = 2,233.31 : x
2. Step 2: Convert to fraction form
   7,499.72/11,247.60 = 2,233.31/x
3. Step 3: Cross multiply
   7,499.72x = 11,247.60 × 2,233.31
4. Step 4: Simplify right side
   7,499.72x = 25,119,321.32
5. Step 5: Solve for x
   x = 25,119,321.32/7,499.72
6. Step 6: Final answer
   x = 3,349.37