Finding the Fourth Proportional to 7,499.25, 11,246.81 and 2,818.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.25 : 11,246.81 = 2,818.89 : x
2. Step 2: Convert to fraction form
   7,499.25/11,246.81 = 2,818.89/x
3. Step 3: Cross multiply
   7,499.25x = 11,246.81 × 2,818.89
4. Step 4: Simplify right side
   7,499.25x = 31,703,506.15
5. Step 5: Solve for x
   x = 31,703,506.15/7,499.25
6. Step 6: Final answer
   x = 4,227.56