Finding the Fourth Proportional to 4,996.26, 7,488.72 and 2,399.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,996.26 : 7,488.72 = 2,399.40 : x
2. Step 2: Convert to fraction form
   4,996.26/7,488.72 = 2,399.40/x
3. Step 3: Cross multiply
   4,996.26x = 7,488.72 × 2,399.40
4. Step 4: Simplify right side
   4,996.26x = 17,968,434.77
5. Step 5: Solve for x
   x = 17,968,434.77/4,996.26
6. Step 6: Final answer
   x = 3,596.38