Finding the Fourth Proportional to 3,552.48, 5,328.50 and 1,087.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,552.48 : 5,328.50 = 1,087.07 : x
2. Step 2: Convert to fraction form
   3,552.48/5,328.50 = 1,087.07/x
3. Step 3: Cross multiply
   3,552.48x = 5,328.50 × 1,087.07
4. Step 4: Simplify right side
   3,552.48x = 5,792,420.42
5. Step 5: Solve for x
   x = 5,792,420.42/3,552.48
6. Step 6: Final answer
   x = 1,630.53