Finding the Fourth Proportional to 13,469.98, 20,206.32 and 3,610.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,469.98 : 20,206.32 = 3,610.24 : x
2. Step 2: Convert to fraction form
   13,469.98/20,206.32 = 3,610.24/x
3. Step 3: Cross multiply
   13,469.98x = 20,206.32 × 3,610.24
4. Step 4: Simplify right side
   13,469.98x = 72,949,664.72
5. Step 5: Solve for x
   x = 72,949,664.72/13,469.98
6. Step 6: Final answer
   x = 5,415.72