Finding the Fourth Proportional to 5,016.80, 6,923.42 and 2,892.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,016.80 : 6,923.42 = 2,892.65 : x
2. Step 2: Convert to fraction form
   5,016.80/6,923.42 = 2,892.65/x
3. Step 3: Cross multiply
   5,016.80x = 6,923.42 × 2,892.65
4. Step 4: Simplify right side
   5,016.80x = 20,026,981.78
5. Step 5: Solve for x
   x = 20,026,981.78/5,016.80
6. Step 6: Final answer
   x = 3,991.99