Finding the Fourth Proportional to 2,621.51, 3,617.68 and 1,426.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.51 : 3,617.68 = 1,426.49 : x
2. Step 2: Convert to fraction form
   2,621.51/3,617.68 = 1,426.49/x
3. Step 3: Cross multiply
   2,621.51x = 3,617.68 × 1,426.49
4. Step 4: Simplify right side
   2,621.51x = 5,160,584.34
5. Step 5: Solve for x
   x = 5,160,584.34/2,621.51
6. Step 6: Final answer
   x = 1,968.55