Finding the Fourth Proportional to 2,150.02, 3,225.12 and 851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.02 : 3,225.12 = 851.50 : x
2. Step 2: Convert to fraction form
   2,150.02/3,225.12 = 851.50/x
3. Step 3: Cross multiply
   2,150.02x = 3,225.12 × 851.50
4. Step 4: Simplify right side
   2,150.02x = 2,746,189.68
5. Step 5: Solve for x
   x = 2,746,189.68/2,150.02
6. Step 6: Final answer
   x = 1,277.29