Finding the Fourth Proportional to 30,066.18, 41,490.72 and 16,636.64

Step by Step Solution

1. Step 1: Write the proportion equation
   30,066.18 : 41,490.72 = 16,636.64 : x
2. Step 2: Convert to fraction form
   30,066.18/41,490.72 = 16,636.64/x
3. Step 3: Cross multiply
   30,066.18x = 41,490.72 × 16,636.64
4. Step 4: Simplify right side
   30,066.18x = 690,266,171.98
5. Step 5: Solve for x
   x = 690,266,171.98/30,066.18
6. Step 6: Final answer
   x = 22,958.23