Finding the Fourth Proportional to 5,168.30, 7,132.17 and 2,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.30 : 7,132.17 = 2,810.50 : x
2. Step 2: Convert to fraction form
   5,168.30/7,132.17 = 2,810.50/x
3. Step 3: Cross multiply
   5,168.30x = 7,132.17 × 2,810.50
4. Step 4: Simplify right side
   5,168.30x = 20,044,963.79
5. Step 5: Solve for x
   x = 20,044,963.79/5,168.30
6. Step 6: Final answer
   x = 3,878.44