Finding the Fourth Proportional to 16,113.18, 22,230.61 and 10,142.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,113.18 : 22,230.61 = 10,142.67 : x
2. Step 2: Convert to fraction form
   16,113.18/22,230.61 = 10,142.67/x
3. Step 3: Cross multiply
   16,113.18x = 22,230.61 × 10,142.67
4. Step 4: Simplify right side
   16,113.18x = 225,477,741.13
5. Step 5: Solve for x
   x = 225,477,741.13/16,113.18
6. Step 6: Final answer
   x = 13,993.37