Finding the Fourth Proportional to 10,990.68, 16,474.38 and 3,593.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,990.68 : 16,474.38 = 3,593.15 : x
2. Step 2: Convert to fraction form
   10,990.68/16,474.38 = 3,593.15/x
3. Step 3: Cross multiply
   10,990.68x = 16,474.38 × 3,593.15
4. Step 4: Simplify right side
   10,990.68x = 59,194,918.50
5. Step 5: Solve for x
   x = 59,194,918.50/10,990.68
6. Step 6: Final answer
   x = 5,385.92