Finding the Fourth Proportional to 5,085.41, 7,012.93 and 3,965.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.41 : 7,012.93 = 3,965.94 : x
2. Step 2: Convert to fraction form
   5,085.41/7,012.93 = 3,965.94/x
3. Step 3: Cross multiply
   5,085.41x = 7,012.93 × 3,965.94
4. Step 4: Simplify right side
   5,085.41x = 27,812,859.60
5. Step 5: Solve for x
   x = 27,812,859.60/5,085.41
6. Step 6: Final answer
   x = 5,469.15