Finding the Fourth Proportional to 10,994.48, 16,490.12 and 3,599.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.48 : 16,490.12 = 3,599.23 : x
2. Step 2: Convert to fraction form
   10,994.48/16,490.12 = 3,599.23/x
3. Step 3: Cross multiply
   10,994.48x = 16,490.12 × 3,599.23
4. Step 4: Simplify right side
   10,994.48x = 59,351,734.61
5. Step 5: Solve for x
   x = 59,351,734.61/10,994.48
6. Step 6: Final answer
   x = 5,398.32