Finding the Fourth Proportional to 30,876.83, 42,610.04 and 16,729.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,876.83 : 42,610.04 = 16,729.68 : x
2. Step 2: Convert to fraction form
   30,876.83/42,610.04 = 16,729.68/x
3. Step 3: Cross multiply
   30,876.83x = 42,610.04 × 16,729.68
4. Step 4: Simplify right side
   30,876.83x = 712,852,250.34
5. Step 5: Solve for x
   x = 712,852,250.34/30,876.83
6. Step 6: Final answer
   x = 23,086.96