Finding the Fourth Proportional to 2,800.02, 4,200.72 and 951.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.02 : 4,200.72 = 951.12 : x
2. Step 2: Convert to fraction form
   2,800.02/4,200.72 = 951.12/x
3. Step 3: Cross multiply
   2,800.02x = 4,200.72 × 951.12
4. Step 4: Simplify right side
   2,800.02x = 3,995,388.81
5. Step 5: Solve for x
   x = 3,995,388.81/2,800.02
6. Step 6: Final answer
   x = 1,426.91