Finding the Fourth Proportional to 8,358.83, 12,533.47 and 3,425.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,358.83 : 12,533.47 = 3,425.78 : x
2. Step 2: Convert to fraction form
   8,358.83/12,533.47 = 3,425.78/x
3. Step 3: Cross multiply
   8,358.83x = 12,533.47 × 3,425.78
4. Step 4: Simplify right side
   8,358.83x = 42,936,910.86
5. Step 5: Solve for x
   x = 42,936,910.86/8,358.83
6. Step 6: Final answer
   x = 5,136.71