Finding the Fourth Proportional to 13,426.18, 20,137.71 and 3,566.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,426.18 : 20,137.71 = 3,566.23 : x
2. Step 2: Convert to fraction form
   13,426.18/20,137.71 = 3,566.23/x
3. Step 3: Cross multiply
   13,426.18x = 20,137.71 × 3,566.23
4. Step 4: Simplify right side
   13,426.18x = 71,815,705.53
5. Step 5: Solve for x
   x = 71,815,705.53/13,426.18
6. Step 6: Final answer
   x = 5,348.93