Finding the Fourth Proportional to 30,861.42, 42,588.77 and 16,714.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,861.42 : 42,588.77 = 16,714.27 : x
2. Step 2: Convert to fraction form
   30,861.42/42,588.77 = 16,714.27/x
3. Step 3: Cross multiply
   30,861.42x = 42,588.77 × 16,714.27
4. Step 4: Simplify right side
   30,861.42x = 711,840,024.87
5. Step 5: Solve for x
   x = 711,840,024.87/30,861.42
6. Step 6: Final answer
   x = 23,065.69