Finding the Fourth Proportional to 8,348.58, 12,522.93 and 3,418.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,348.58 : 12,522.93 = 3,418.73 : x
2. Step 2: Convert to fraction form
   8,348.58/12,522.93 = 3,418.73/x
3. Step 3: Cross multiply
   8,348.58x = 12,522.93 × 3,418.73
4. Step 4: Simplify right side
   8,348.58x = 42,812,453.86
5. Step 5: Solve for x
   x = 42,812,453.86/8,348.58
6. Step 6: Final answer
   x = 5,128.11