Finding the Fourth Proportional to 2,150.20, 3,224.46 and 1,274.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.20 : 3,224.46 = 1,274.48 : x
2. Step 2: Convert to fraction form
   2,150.20/3,224.46 = 1,274.48/x
3. Step 3: Cross multiply
   2,150.20x = 3,224.46 × 1,274.48
4. Step 4: Simplify right side
   2,150.20x = 4,109,521.50
5. Step 5: Solve for x
   x = 4,109,521.50/2,150.20
6. Step 6: Final answer
   x = 1,911.23