Finding the Fourth Proportional to 2,116.67, 2,921.81 and 1,895.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.67 : 2,921.81 = 1,895.22 : x
2. Step 2: Convert to fraction form
   2,116.67/2,921.81 = 1,895.22/x
3. Step 3: Cross multiply
   2,116.67x = 2,921.81 × 1,895.22
4. Step 4: Simplify right side
   2,116.67x = 5,537,463.27
5. Step 5: Solve for x
   x = 5,537,463.27/2,116.67
6. Step 6: Final answer
   x = 2,616.13