Finding the Fourth Proportional to 23,171,288,227.48, 31,979,747,231.58 and 13,011,156,674.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,171,288,227.48 : 31,979,747,231.58 = 13,011,156,674.20 : x
2. Step 2: Convert to fraction form
   23,171,288,227.48/31,979,747,231.58 = 13,011,156,674.20/x
3. Step 3: Cross multiply
   23,171,288,227.48x = 31,979,747,231.58 × 13,011,156,674.20
4. Step 4: Simplify right side
   23,171,288,227.48x = 416,093,501,631,401,164,800
5. Step 5: Solve for x
   x = 416,093,501,631,401,164,800/23,171,288,227.48
6. Step 6: Final answer
   x = 17,957,288,241.66