Finding the Fourth Proportional to 30,809.39, 42,516.98 and 16,662.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,809.39 : 42,516.98 = 16,662.24 : x
2. Step 2: Convert to fraction form
   30,809.39/42,516.98 = 16,662.24/x
3. Step 3: Cross multiply
   30,809.39x = 42,516.98 × 16,662.24
4. Step 4: Simplify right side
   30,809.39x = 708,428,041.52
5. Step 5: Solve for x
   x = 708,428,041.52/30,809.39
6. Step 6: Final answer
   x = 22,993.90