Finding the Fourth Proportional to 5,168.02, 7,131.94 and 2,810.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.02 : 7,131.94 = 2,810.16 : x
2. Step 2: Convert to fraction form
   5,168.02/7,131.94 = 2,810.16/x
3. Step 3: Cross multiply
   5,168.02x = 7,131.94 × 2,810.16
4. Step 4: Simplify right side
   5,168.02x = 20,041,892.51
5. Step 5: Solve for x
   x = 20,041,892.51/5,168.02
6. Step 6: Final answer
   x = 3,878.06