Finding the Fourth Proportional to 2,644.43, 3,647.72 and 1,699.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.43 : 3,647.72 = 1,699.91 : x
2. Step 2: Convert to fraction form
   2,644.43/3,647.72 = 1,699.91/x
3. Step 3: Cross multiply
   2,644.43x = 3,647.72 × 1,699.91
4. Step 4: Simplify right side
   2,644.43x = 6,200,795.71
5. Step 5: Solve for x
   x = 6,200,795.71/2,644.43
6. Step 6: Final answer
   x = 2,344.85