Finding the Fourth Proportional to 8,555.32, 12,827.46 and 3,361.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,555.32 : 12,827.46 = 3,361.72 : x
2. Step 2: Convert to fraction form
   8,555.32/12,827.46 = 3,361.72/x
3. Step 3: Cross multiply
   8,555.32x = 12,827.46 × 3,361.72
4. Step 4: Simplify right side
   8,555.32x = 43,122,328.83
5. Step 5: Solve for x
   x = 43,122,328.83/8,555.32
6. Step 6: Final answer
   x = 5,040.41