Finding the Fourth Proportional to 23,446,708.46, 32,356,647.62 and 12,992,899.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,446,708.46 : 32,356,647.62 = 12,992,899.42 : x
2. Step 2: Convert to fraction form
   23,446,708.46/32,356,647.62 = 12,992,899.42/x
3. Step 3: Cross multiply
   23,446,708.46x = 32,356,647.62 × 12,992,899.42
4. Step 4: Simplify right side
   23,446,708.46x = 420,406,668,095,042.38
5. Step 5: Solve for x
   x = 420,406,668,095,042.38/23,446,708.46
6. Step 6: Final answer
   x = 17,930,306.46