Finding the Fourth Proportional to 1,629.94, 2,445.72 and 1,200.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.94 : 2,445.72 = 1,200.64 : x
2. Step 2: Convert to fraction form
   1,629.94/2,445.72 = 1,200.64/x
3. Step 3: Cross multiply
   1,629.94x = 2,445.72 × 1,200.64
4. Step 4: Simplify right side
   1,629.94x = 2,936,429.26
5. Step 5: Solve for x
   x = 2,936,429.26/1,629.94
6. Step 6: Final answer
   x = 1,801.56