Finding the Fourth Proportional to 16,088.73, 22,212.73 and 13,111.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,088.73 : 22,212.73 = 13,111.67 : x
2. Step 2: Convert to fraction form
   16,088.73/22,212.73 = 13,111.67/x
3. Step 3: Cross multiply
   16,088.73x = 22,212.73 × 13,111.67
4. Step 4: Simplify right side
   16,088.73x = 291,246,057.48
5. Step 5: Solve for x
   x = 291,246,057.48/16,088.73
6. Step 6: Final answer
   x = 18,102.49