Finding the Fourth Proportional to 5,192.72, 7,165.98 and 2,834.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,192.72 : 7,165.98 = 2,834.90 : x
2. Step 2: Convert to fraction form
   5,192.72/7,165.98 = 2,834.90/x
3. Step 3: Cross multiply
   5,192.72x = 7,165.98 × 2,834.90
4. Step 4: Simplify right side
   5,192.72x = 20,314,800.87
5. Step 5: Solve for x
   x = 20,314,800.87/5,192.72
6. Step 6: Final answer
   x = 3,912.17