Finding the Fourth Proportional to 5,085.76, 7,012.02 and 3,892.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.76 : 7,012.02 = 3,892.27 : x
2. Step 2: Convert to fraction form
   5,085.76/7,012.02 = 3,892.27/x
3. Step 3: Cross multiply
   5,085.76x = 7,012.02 × 3,892.27
4. Step 4: Simplify right side
   5,085.76x = 27,292,675.09
5. Step 5: Solve for x
   x = 27,292,675.09/5,085.76
6. Step 6: Final answer
   x = 5,366.49