Finding the Fourth Proportional to 1,628.52, 2,244.42 and 1,185.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.52 : 2,244.42 = 1,185.72 : x
2. Step 2: Convert to fraction form
   1,628.52/2,244.42 = 1,185.72/x
3. Step 3: Cross multiply
   1,628.52x = 2,244.42 × 1,185.72
4. Step 4: Simplify right side
   1,628.52x = 2,661,253.68
5. Step 5: Solve for x
   x = 2,661,253.68/1,628.52
6. Step 6: Final answer
   x = 1,634.15