Finding the Fourth Proportional to 13,844.63, 20,761.82 and 5,522.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,844.63 : 20,761.82 = 5,522.15 : x
2. Step 2: Convert to fraction form
   13,844.63/20,761.82 = 5,522.15/x
3. Step 3: Cross multiply
   13,844.63x = 20,761.82 × 5,522.15
4. Step 4: Simplify right side
   13,844.63x = 114,649,929.31
5. Step 5: Solve for x
   x = 114,649,929.31/13,844.63
6. Step 6: Final answer
   x = 8,281.18