Finding the Fourth Proportional to 8,059.12, 12,085.78 and 2,792.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,059.12 : 12,085.78 = 2,792.70 : x
2. Step 2: Convert to fraction form
   8,059.12/12,085.78 = 2,792.70/x
3. Step 3: Cross multiply
   8,059.12x = 12,085.78 × 2,792.70
4. Step 4: Simplify right side
   8,059.12x = 33,751,997.91
5. Step 5: Solve for x
   x = 33,751,997.91/8,059.12
6. Step 6: Final answer
   x = 4,188.05