Finding the Fourth Proportional to 2,150.69, 3,225.35 and 1,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.69 : 3,225.35 = 1,424.12 : x
2. Step 2: Convert to fraction form
   2,150.69/3,225.35 = 1,424.12/x
3. Step 3: Cross multiply
   2,150.69x = 3,225.35 × 1,424.12
4. Step 4: Simplify right side
   2,150.69x = 4,593,272.88
5. Step 5: Solve for x
   x = 4,593,272.88/2,150.69
6. Step 6: Final answer
   x = 2,135.73