Finding the Fourth Proportional to 2,110.72, 2,911.13 and 1,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.72 : 2,911.13 = 1,969.25 : x
2. Step 2: Convert to fraction form
   2,110.72/2,911.13 = 1,969.25/x
3. Step 3: Cross multiply
   2,110.72x = 2,911.13 × 1,969.25
4. Step 4: Simplify right side
   2,110.72x = 5,732,742.75
5. Step 5: Solve for x
   x = 5,732,742.75/2,110.72
6. Step 6: Final answer
   x = 2,716.01