Finding the Fourth Proportional to 1,196.28, 1,648.76 and 1,029.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.28 : 1,648.76 = 1,029.80 : x
2. Step 2: Convert to fraction form
   1,196.28/1,648.76 = 1,029.80/x
3. Step 3: Cross multiply
   1,196.28x = 1,648.76 × 1,029.80
4. Step 4: Simplify right side
   1,196.28x = 1,697,893.05
5. Step 5: Solve for x
   x = 1,697,893.05/1,196.28
6. Step 6: Final answer
   x = 1,419.31