Finding the Fourth Proportional to 16,899,021.72, 23,320,656.24 and 9,164,062

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899,021.72 : 23,320,656.24 = 9,164,062 : x
2. Step 2: Convert to fraction form
   16,899,021.72/23,320,656.24 = 9,164,062/x
3. Step 3: Cross multiply
   16,899,021.72x = 23,320,656.24 × 9,164,062
4. Step 4: Simplify right side
   16,899,021.72x = 213,711,939,664,046.88
5. Step 5: Solve for x
   x = 213,711,939,664,046.88/16,899,021.72
6. Step 6: Final answer
   x = 12,646,408.96