Finding the Fourth Proportional to 2,010.22, 3,014.89 and 1,911.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.22 : 3,014.89 = 1,911.45 : x
2. Step 2: Convert to fraction form
   2,010.22/3,014.89 = 1,911.45/x
3. Step 3: Cross multiply
   2,010.22x = 3,014.89 × 1,911.45
4. Step 4: Simplify right side
   2,010.22x = 5,762,811.49
5. Step 5: Solve for x
   x = 5,762,811.49/2,010.22
6. Step 6: Final answer
   x = 2,866.76