Finding the Fourth Proportional to 1,196.02, 1,648.45 and 985.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.02 : 1,648.45 = 985.52 : x
2. Step 2: Convert to fraction form
   1,196.02/1,648.45 = 985.52/x
3. Step 3: Cross multiply
   1,196.02x = 1,648.45 × 985.52
4. Step 4: Simplify right side
   1,196.02x = 1,624,576.52
5. Step 5: Solve for x
   x = 1,624,576.52/1,196.02
6. Step 6: Final answer
   x = 1,358.32