Finding the Fourth Proportional to 16,378.61, 24,567.89 and 4,066.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,378.61 : 24,567.89 = 4,066.61 : x
2. Step 2: Convert to fraction form
   16,378.61/24,567.89 = 4,066.61/x
3. Step 3: Cross multiply
   16,378.61x = 24,567.89 × 4,066.61
4. Step 4: Simplify right side
   16,378.61x = 99,907,883.98
5. Step 5: Solve for x
   x = 99,907,883.98/16,378.61
6. Step 6: Final answer
   x = 6,099.90