Finding the Fourth Proportional to 1,098.02, 1,632.91 and 1,063.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.02 : 1,632.91 = 1,063.42 : x
2. Step 2: Convert to fraction form
   1,098.02/1,632.91 = 1,063.42/x
3. Step 3: Cross multiply
   1,098.02x = 1,632.91 × 1,063.42
4. Step 4: Simplify right side
   1,098.02x = 1,736,469.15
5. Step 5: Solve for x
   x = 1,736,469.15/1,098.02
6. Step 6: Final answer
   x = 1,581.45