Finding the Fourth Proportional to 2,700.01, 4,050.69 and 851.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.01 : 4,050.69 = 851.05 : x
2. Step 2: Convert to fraction form
   2,700.01/4,050.69 = 851.05/x
3. Step 3: Cross multiply
   2,700.01x = 4,050.69 × 851.05
4. Step 4: Simplify right side
   2,700.01x = 3,447,339.72
5. Step 5: Solve for x
   x = 3,447,339.72/2,700.01
6. Step 6: Final answer
   x = 1,276.79