Finding the Fourth Proportional to 23,446,708.09, 32,356,647.18 and 12,992,899.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,446,708.09 : 32,356,647.18 = 12,992,899.06 : x
2. Step 2: Convert to fraction form
   23,446,708.09/32,356,647.18 = 12,992,899.06/x
3. Step 3: Cross multiply
   23,446,708.09x = 32,356,647.18 × 12,992,899.06
4. Step 4: Simplify right side
   23,446,708.09x = 420,406,650,729,773.69
5. Step 5: Solve for x
   x = 420,406,650,729,773.69/23,446,708.09
6. Step 6: Final answer
   x = 17,930,306.00