Finding the Fourth Proportional to 2,107.67, 2,909.39 and 1,886.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.67 : 2,909.39 = 1,886.22 : x
2. Step 2: Convert to fraction form
   2,107.67/2,909.39 = 1,886.22/x
3. Step 3: Cross multiply
   2,107.67x = 2,909.39 × 1,886.22
4. Step 4: Simplify right side
   2,107.67x = 5,487,740.17
5. Step 5: Solve for x
   x = 5,487,740.17/2,107.67
6. Step 6: Final answer
   x = 2,603.71