Finding the Fourth Proportional to 16,513,765.72, 22,789,049.49 and 9,171,597.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513,765.72 : 22,789,049.49 = 9,171,597.53 : x
2. Step 2: Convert to fraction form
   16,513,765.72/22,789,049.49 = 9,171,597.53/x
3. Step 3: Cross multiply
   16,513,765.72x = 22,789,049.49 × 9,171,597.53
4. Step 4: Simplify right side
   16,513,765.72x = 209,011,990,070,504.38
5. Step 5: Solve for x
   x = 209,011,990,070,504.38/16,513,765.72
6. Step 6: Final answer
   x = 12,656,833.92