Finding the Fourth Proportional to 1,434.52, 1,976.46 and 1,197.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.52 : 1,976.46 = 1,197.64 : x
2. Step 2: Convert to fraction form
   1,434.52/1,976.46 = 1,197.64/x
3. Step 3: Cross multiply
   1,434.52x = 1,976.46 × 1,197.64
4. Step 4: Simplify right side
   1,434.52x = 2,367,087.55
5. Step 5: Solve for x
   x = 2,367,087.55/1,434.52
6. Step 6: Final answer
   x = 1,650.09