Finding the Fourth Proportional to 2,693.31, 3,715.59 and 1,644.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,693.31 : 3,715.59 = 1,644.75 : x
2. Step 2: Convert to fraction form
   2,693.31/3,715.59 = 1,644.75/x
3. Step 3: Cross multiply
   2,693.31x = 3,715.59 × 1,644.75
4. Step 4: Simplify right side
   2,693.31x = 6,111,216.65
5. Step 5: Solve for x
   x = 6,111,216.65/2,693.31
6. Step 6: Final answer
   x = 2,269.04