Finding the Fourth Proportional to 2,588.37, 3,570.02 and 1,643.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.37 : 3,570.02 = 1,643.34 : x
2. Step 2: Convert to fraction form
   2,588.37/3,570.02 = 1,643.34/x
3. Step 3: Cross multiply
   2,588.37x = 3,570.02 × 1,643.34
4. Step 4: Simplify right side
   2,588.37x = 5,866,747.92
5. Step 5: Solve for x
   x = 5,866,747.92/2,588.37
6. Step 6: Final answer
   x = 2,266.58