Finding the Fourth Proportional to 1,629.63, 2,249.55 and 1,105.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.63 : 2,249.55 = 1,105.98 : x
2. Step 2: Convert to fraction form
   1,629.63/2,249.55 = 1,105.98/x
3. Step 3: Cross multiply
   1,629.63x = 2,249.55 × 1,105.98
4. Step 4: Simplify right side
   1,629.63x = 2,487,957.31
5. Step 5: Solve for x
   x = 2,487,957.31/1,629.63
6. Step 6: Final answer
   x = 1,526.70