Finding the Fourth Proportional to 2,426.59, 3,642.42 and 2,150.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.59 : 3,642.42 = 2,150.70 : x
2. Step 2: Convert to fraction form
   2,426.59/3,642.42 = 2,150.70/x
3. Step 3: Cross multiply
   2,426.59x = 3,642.42 × 2,150.70
4. Step 4: Simplify right side
   2,426.59x = 7,833,755.49
5. Step 5: Solve for x
   x = 7,833,755.49/2,426.59
6. Step 6: Final answer
   x = 3,228.30