Finding the Fourth Proportional to 1,644.56, 2,467.56 and 1,316.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644.56 : 2,467.56 = 1,316.24 : x
2. Step 2: Convert to fraction form
   1,644.56/2,467.56 = 1,316.24/x
3. Step 3: Cross multiply
   1,644.56x = 2,467.56 × 1,316.24
4. Step 4: Simplify right side
   1,644.56x = 3,247,901.17
5. Step 5: Solve for x
   x = 3,247,901.17/1,644.56
6. Step 6: Final answer
   x = 1,974.94