Finding the Fourth Proportional to 1,704.24, 2,362.70 and 1,644.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.24 : 2,362.70 = 1,644.17 : x
2. Step 2: Convert to fraction form
   1,704.24/2,362.70 = 1,644.17/x
3. Step 3: Cross multiply
   1,704.24x = 2,362.70 × 1,644.17
4. Step 4: Simplify right side
   1,704.24x = 3,884,672.76
5. Step 5: Solve for x
   x = 3,884,672.76/1,704.24
6. Step 6: Final answer
   x = 2,279.42