Finding the Fourth Proportional to 13,417.83, 20,124.42 and 3,558.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,417.83 : 20,124.42 = 3,558.09 : x
2. Step 2: Convert to fraction form
   13,417.83/20,124.42 = 3,558.09/x
3. Step 3: Cross multiply
   13,417.83x = 20,124.42 × 3,558.09
4. Step 4: Simplify right side
   13,417.83x = 71,604,497.56
5. Step 5: Solve for x
   x = 71,604,497.56/13,417.83
6. Step 6: Final answer
   x = 5,336.52