Finding the Fourth Proportional to 5,532.72, 7,635.29 and 3,142.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,532.72 : 7,635.29 = 3,142.31 : x
2. Step 2: Convert to fraction form
   5,532.72/7,635.29 = 3,142.31/x
3. Step 3: Cross multiply
   5,532.72x = 7,635.29 × 3,142.31
4. Step 4: Simplify right side
   5,532.72x = 23,992,413.81
5. Step 5: Solve for x
   x = 23,992,413.81/5,532.72
6. Step 6: Final answer
   x = 4,336.46