Finding the Fourth Proportional to 8,469.12, 12,699.34 and 3,537.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,469.12 : 12,699.34 = 3,537.42 : x
2. Step 2: Convert to fraction form
   8,469.12/12,699.34 = 3,537.42/x
3. Step 3: Cross multiply
   8,469.12x = 12,699.34 × 3,537.42
4. Step 4: Simplify right side
   8,469.12x = 44,922,899.30
5. Step 5: Solve for x
   x = 44,922,899.30/8,469.12
6. Step 6: Final answer
   x = 5,304.32