Finding the Fourth Proportional to 10,988.73, 16,485.12 and 3,593.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988.73 : 16,485.12 = 3,593.60 : x
2. Step 2: Convert to fraction form
   10,988.73/16,485.12 = 3,593.60/x
3. Step 3: Cross multiply
   10,988.73x = 16,485.12 × 3,593.60
4. Step 4: Simplify right side
   10,988.73x = 59,240,906.63
5. Step 5: Solve for x
   x = 59,240,906.63/10,988.73
6. Step 6: Final answer
   x = 5,391.06