Finding the Fourth Proportional to 2,700.72, 4,050.73 and 852.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.72 : 4,050.73 = 852.02 : x
2. Step 2: Convert to fraction form
   2,700.72/4,050.73 = 852.02/x
3. Step 3: Cross multiply
   2,700.72x = 4,050.73 × 852.02
4. Step 4: Simplify right side
   2,700.72x = 3,451,301.37
5. Step 5: Solve for x
   x = 3,451,301.37/2,700.72
6. Step 6: Final answer
   x = 1,277.92