Finding the Fourth Proportional to 5,322.31, 7,344.79 and 3,085.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322.31 : 7,344.79 = 3,085.49 : x
2. Step 2: Convert to fraction form
   5,322.31/7,344.79 = 3,085.49/x
3. Step 3: Cross multiply
   5,322.31x = 7,344.79 × 3,085.49
4. Step 4: Simplify right side
   5,322.31x = 22,662,276.10
5. Step 5: Solve for x
   x = 22,662,276.10/5,322.31
6. Step 6: Final answer
   x = 4,257.98