Finding the Fourth Proportional to 5,168.64, 7,132.51 and 2,810.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.64 : 7,132.51 = 2,810.73 : x
2. Step 2: Convert to fraction form
   5,168.64/7,132.51 = 2,810.73/x
3. Step 3: Cross multiply
   5,168.64x = 7,132.51 × 2,810.73
4. Step 4: Simplify right side
   5,168.64x = 20,047,559.83
5. Step 5: Solve for x
   x = 20,047,559.83/5,168.64
6. Step 6: Final answer
   x = 3,878.69