Finding the Fourth Proportional to 2,307.24, 3,185.37 and 1,424.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.24 : 3,185.37 = 1,424.21 : x
2. Step 2: Convert to fraction form
   2,307.24/3,185.37 = 1,424.21/x
3. Step 3: Cross multiply
   2,307.24x = 3,185.37 × 1,424.21
4. Step 4: Simplify right side
   2,307.24x = 4,536,619.88
5. Step 5: Solve for x
   x = 4,536,619.88/2,307.24
6. Step 6: Final answer
   x = 1,966.25