Finding the Fourth Proportional to 1,924.74, 2,653.92 and 1,644.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.74 : 2,653.92 = 1,644.12 : x
2. Step 2: Convert to fraction form
   1,924.74/2,653.92 = 1,644.12/x
3. Step 3: Cross multiply
   1,924.74x = 2,653.92 × 1,644.12
4. Step 4: Simplify right side
   1,924.74x = 4,363,362.95
5. Step 5: Solve for x
   x = 4,363,362.95/1,924.74
6. Step 6: Final answer
   x = 2,266.99