Finding the Fourth Proportional to 16,188.26, 24,168.83 and 13,697.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,188.26 : 24,168.83 = 13,697.81 : x
2. Step 2: Convert to fraction form
   16,188.26/24,168.83 = 13,697.81/x
3. Step 3: Cross multiply
   16,188.26x = 24,168.83 × 13,697.81
4. Step 4: Simplify right side
   16,188.26x = 331,060,019.61
5. Step 5: Solve for x
   x = 331,060,019.61/16,188.26
6. Step 6: Final answer
   x = 20,450.63