Finding the Fourth Proportional to 2,222.76, 3,065.11 and 1,909.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.76 : 3,065.11 = 1,909.07 : x
2. Step 2: Convert to fraction form
   2,222.76/3,065.11 = 1,909.07/x
3. Step 3: Cross multiply
   2,222.76x = 3,065.11 × 1,909.07
4. Step 4: Simplify right side
   2,222.76x = 5,851,494.22
5. Step 5: Solve for x
   x = 5,851,494.22/2,222.76
6. Step 6: Final answer
   x = 2,632.53