Finding the Fourth Proportional to 22,686,404,103.68, 31,309,982,957.88 and 12,911,917,626.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,686,404,103.68 : 31,309,982,957.88 = 12,911,917,626.52 : x
2. Step 2: Convert to fraction form
   22,686,404,103.68/31,309,982,957.88 = 12,911,917,626.52/x
3. Step 3: Cross multiply
   22,686,404,103.68x = 31,309,982,957.88 × 12,911,917,626.52
4. Step 4: Simplify right side
   22,686,404,103.68x = 404,271,920,839,891,615,744
5. Step 5: Solve for x
   x = 404,271,920,839,891,615,744/22,686,404,103.68
6. Step 6: Final answer
   x = 17,820,008,803.17