Finding the Fourth Proportional to 22,958,435.76, 31,682,641.72 and 12,645,158.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,958,435.76 : 31,682,641.72 = 12,645,158.86 : x
2. Step 2: Convert to fraction form
   22,958,435.76/31,682,641.72 = 12,645,158.86/x
3. Step 3: Cross multiply
   22,958,435.76x = 31,682,641.72 × 12,645,158.86
4. Step 4: Simplify right side
   22,958,435.76x = 400,632,037,542,919.69
5. Step 5: Solve for x
   x = 400,632,037,542,919.69/22,958,435.76
6. Step 6: Final answer
   x = 17,450,319.42