Finding the Fourth Proportional to 22,686,401,216.23, 31,309,979,044.59 and 12,911,914,867.97

Step by Step Solution

1. Step 1: Write the proportion equation
   22,686,401,216.23 : 31,309,979,044.59 = 12,911,914,867.97 : x
2. Step 2: Convert to fraction form
   22,686,401,216.23/31,309,979,044.59 = 12,911,914,867.97/x
3. Step 3: Cross multiply
   22,686,401,216.23x = 31,309,979,044.59 × 12,911,914,867.97
4. Step 4: Simplify right side
   22,686,401,216.23x = 404,271,783,941,733,351,424
5. Step 5: Solve for x
   x = 404,271,783,941,733,351,424/22,686,401,216.23
6. Step 6: Final answer
   x = 17,820,005,036.87