Finding the Fourth Proportional to 8,085.12, 12,125.46 and 5,738.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.12 : 12,125.46 = 5,738.16 : x
2. Step 2: Convert to fraction form
   8,085.12/12,125.46 = 5,738.16/x
3. Step 3: Cross multiply
   8,085.12x = 12,125.46 × 5,738.16
4. Step 4: Simplify right side
   8,085.12x = 69,577,829.55
5. Step 5: Solve for x
   x = 69,577,829.55/8,085.12
6. Step 6: Final answer
   x = 8,605.66