Finding the Fourth Proportional to 8,355.52, 12,522.32 and 3,419.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,355.52 : 12,522.32 = 3,419.38 : x
2. Step 2: Convert to fraction form
   8,355.52/12,522.32 = 3,419.38/x
3. Step 3: Cross multiply
   8,355.52x = 12,522.32 × 3,419.38
4. Step 4: Simplify right side
   8,355.52x = 42,818,570.56
5. Step 5: Solve for x
   x = 42,818,570.56/8,355.52
6. Step 6: Final answer
   x = 5,124.58