Finding the Fourth Proportional to 16,199.31, 22,341.83 and 13,602.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.31 : 22,341.83 = 13,602.23 : x
2. Step 2: Convert to fraction form
   16,199.31/22,341.83 = 13,602.23/x
3. Step 3: Cross multiply
   16,199.31x = 22,341.83 × 13,602.23
4. Step 4: Simplify right side
   16,199.31x = 303,898,632.58
5. Step 5: Solve for x
   x = 303,898,632.58/16,199.31
6. Step 6: Final answer
   x = 18,759.97