Finding the Fourth Proportional to 30,876.89, 42,610.00 and 16,729.77

Step by Step Solution

1. Step 1: Write the proportion equation
   30,876.89 : 42,610.00 = 16,729.77 : x
2. Step 2: Convert to fraction form
   30,876.89/42,610.00 = 16,729.77/x
3. Step 3: Cross multiply
   30,876.89x = 42,610.00 × 16,729.77
4. Step 4: Simplify right side
   30,876.89x = 712,855,416.05
5. Step 5: Solve for x
   x = 712,855,416.05/30,876.89
6. Step 6: Final answer
   x = 23,087.02