Finding the Fourth Proportional to 1,433.52, 1,975.08 and 1,196.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.52 : 1,975.08 = 1,196.64 : x
2. Step 2: Convert to fraction form
   1,433.52/1,975.08 = 1,196.64/x
3. Step 3: Cross multiply
   1,433.52x = 1,975.08 × 1,196.64
4. Step 4: Simplify right side
   1,433.52x = 2,363,459.73
5. Step 5: Solve for x
   x = 2,363,459.73/1,433.52
6. Step 6: Final answer
   x = 1,648.71