Finding the Fourth Proportional to 2,101.69, 3,153.84 and 1,426.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.69 : 3,153.84 = 1,426.96 : x
2. Step 2: Convert to fraction form
   2,101.69/3,153.84 = 1,426.96/x
3. Step 3: Cross multiply
   2,101.69x = 3,153.84 × 1,426.96
4. Step 4: Simplify right side
   2,101.69x = 4,500,403.53
5. Step 5: Solve for x
   x = 4,500,403.53/2,101.69
6. Step 6: Final answer
   x = 2,141.33