Finding the Fourth Proportional to 23,756,622.76, 32,784,139.42 and 12,891,606.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,756,622.76 : 32,784,139.42 = 12,891,606.76 : x
2. Step 2: Convert to fraction form
   23,756,622.76/32,784,139.42 = 12,891,606.76/x
3. Step 3: Cross multiply
   23,756,622.76x = 32,784,139.42 × 12,891,606.76
4. Step 4: Simplify right side
   23,756,622.76x = 422,640,233,376,405.69
5. Step 5: Solve for x
   x = 422,640,233,376,405.69/23,756,622.76
6. Step 6: Final answer
   x = 17,790,417.33