Finding the Fourth Proportional to 2,700.56, 4,051.24 and 851.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.56 : 4,051.24 = 851.84 : x
2. Step 2: Convert to fraction form
   2,700.56/4,051.24 = 851.84/x
3. Step 3: Cross multiply
   2,700.56x = 4,051.24 × 851.84
4. Step 4: Simplify right side
   2,700.56x = 3,451,008.28
5. Step 5: Solve for x
   x = 3,451,008.28/2,700.56
6. Step 6: Final answer
   x = 1,277.89