Finding the Fourth Proportional to 16,899,017.72, 23,320,650.72 and 9,164,058

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899,017.72 : 23,320,650.72 = 9,164,058 : x
2. Step 2: Convert to fraction form
   16,899,017.72/23,320,650.72 = 9,164,058/x
3. Step 3: Cross multiply
   16,899,017.72x = 23,320,650.72 × 9,164,058
4. Step 4: Simplify right side
   16,899,017.72x = 213,711,795,795,821.75
5. Step 5: Solve for x
   x = 213,711,795,795,821.75/16,899,017.72
6. Step 6: Final answer
   x = 12,646,403.44