Finding the Fourth Proportional to 2,665.21, 3,997.79 and 1,495.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.21 : 3,997.79 = 1,495.21 : x
2. Step 2: Convert to fraction form
   2,665.21/3,997.79 = 1,495.21/x
3. Step 3: Cross multiply
   2,665.21x = 3,997.79 × 1,495.21
4. Step 4: Simplify right side
   2,665.21x = 5,977,535.59
5. Step 5: Solve for x
   x = 5,977,535.59/2,665.21
6. Step 6: Final answer
   x = 2,242.80