Finding the Fourth Proportional to 3,631.52, 5,447.42 and 999.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.52 : 5,447.42 = 999.23 : x
2. Step 2: Convert to fraction form
   3,631.52/5,447.42 = 999.23/x
3. Step 3: Cross multiply
   3,631.52x = 5,447.42 × 999.23
4. Step 4: Simplify right side
   3,631.52x = 5,443,227.00
5. Step 5: Solve for x
   x = 5,443,227.00/3,631.52
6. Step 6: Final answer
   x = 1,498.88