Finding the Fourth Proportional to 3,399.72, 5,095.98 and 1,916.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.72 : 5,095.98 = 1,916.79 : x
2. Step 2: Convert to fraction form
   3,399.72/5,095.98 = 1,916.79/x
3. Step 3: Cross multiply
   3,399.72x = 5,095.98 × 1,916.79
4. Step 4: Simplify right side
   3,399.72x = 9,767,923.50
5. Step 5: Solve for x
   x = 9,767,923.50/3,399.72
6. Step 6: Final answer
   x = 2,873.16