Finding the Fourth Proportional to 16,018.61, 22,113.15 and 10,716.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.61 : 22,113.15 = 10,716.89 : x
2. Step 2: Convert to fraction form
   16,018.61/22,113.15 = 10,716.89/x
3. Step 3: Cross multiply
   16,018.61x = 22,113.15 × 10,716.89
4. Step 4: Simplify right side
   16,018.61x = 236,984,196.10
5. Step 5: Solve for x
   x = 236,984,196.10/16,018.61
6. Step 6: Final answer
   x = 14,794.30