Finding the Fourth Proportional to 23,756,628.43, 32,784,147.27 and 12,891,612.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,756,628.43 : 32,784,147.27 = 12,891,612.43 : x
2. Step 2: Convert to fraction form
   23,756,628.43/32,784,147.27 = 12,891,612.43/x
3. Step 3: Cross multiply
   23,756,628.43x = 32,784,147.27 × 12,891,612.43
4. Step 4: Simplify right side
   23,756,628.43x = 422,640,520,452,882.56
5. Step 5: Solve for x
   x = 422,640,520,452,882.56/23,756,628.43
6. Step 6: Final answer
   x = 17,790,425.17