Finding the Fourth Proportional to 8,493.42, 12,735.27 and 3,558.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493.42 : 12,735.27 = 3,558.90 : x
2. Step 2: Convert to fraction form
   8,493.42/12,735.27 = 3,558.90/x
3. Step 3: Cross multiply
   8,493.42x = 12,735.27 × 3,558.90
4. Step 4: Simplify right side
   8,493.42x = 45,323,552.40
5. Step 5: Solve for x
   x = 45,323,552.40/8,493.42
6. Step 6: Final answer
   x = 5,336.31