Finding the Fourth Proportional to 2,426.49, 3,350.16 and 2,164.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.49 : 3,350.16 = 2,164.05 : x
2. Step 2: Convert to fraction form
   2,426.49/3,350.16 = 2,164.05/x
3. Step 3: Cross multiply
   2,426.49x = 3,350.16 × 2,164.05
4. Step 4: Simplify right side
   2,426.49x = 7,249,913.75
5. Step 5: Solve for x
   x = 7,249,913.75/2,426.49
6. Step 6: Final answer
   x = 2,987.82