Finding the Fourth Proportional to 8,355.32, 12,522.06 and 3,422.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,355.32 : 12,522.06 = 3,422.27 : x
2. Step 2: Convert to fraction form
   8,355.32/12,522.06 = 3,422.27/x
3. Step 3: Cross multiply
   8,355.32x = 12,522.06 × 3,422.27
4. Step 4: Simplify right side
   8,355.32x = 42,853,870.28
5. Step 5: Solve for x
   x = 42,853,870.28/8,355.32
6. Step 6: Final answer
   x = 5,128.93