Finding the Fourth Proportional to 4,997.21, 7,496.71 and 2,499.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,997.21 : 7,496.71 = 2,499.69 : x
2. Step 2: Convert to fraction form
   4,997.21/7,496.71 = 2,499.69/x
3. Step 3: Cross multiply
   4,997.21x = 7,496.71 × 2,499.69
4. Step 4: Simplify right side
   4,997.21x = 18,739,472.88
5. Step 5: Solve for x
   x = 18,739,472.88/4,997.21
6. Step 6: Final answer
   x = 3,749.99