Finding the Fourth Proportional to 13,568.58, 20,350.52 and 3,705.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,568.58 : 20,350.52 = 3,705.54 : x
2. Step 2: Convert to fraction form
   13,568.58/20,350.52 = 3,705.54/x
3. Step 3: Cross multiply
   13,568.58x = 20,350.52 × 3,705.54
4. Step 4: Simplify right side
   13,568.58x = 75,409,665.88
5. Step 5: Solve for x
   x = 75,409,665.88/13,568.58
6. Step 6: Final answer
   x = 5,557.67