Finding the Fourth Proportional to 30,982.96, 42,756.72 and 16,835.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,982.96 : 42,756.72 = 16,835.86 : x
2. Step 2: Convert to fraction form
   30,982.96/42,756.72 = 16,835.86/x
3. Step 3: Cross multiply
   30,982.96x = 42,756.72 × 16,835.86
4. Step 4: Simplify right side
   30,982.96x = 719,846,151.98
5. Step 5: Solve for x
   x = 719,846,151.98/30,982.96
6. Step 6: Final answer
   x = 23,233.61