Finding the Fourth Proportional to 30,817.16, 42,527.46 and 16,669.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,817.16 : 42,527.46 = 16,669.96 : x
2. Step 2: Convert to fraction form
   30,817.16/42,527.46 = 16,669.96/x
3. Step 3: Cross multiply
   30,817.16x = 42,527.46 × 16,669.96
4. Step 4: Simplify right side
   30,817.16x = 708,931,057.10
5. Step 5: Solve for x
   x = 708,931,057.10/30,817.16
6. Step 6: Final answer
   x = 23,004.43