Finding the Fourth Proportional to 5,085.27, 7,628.18 and 1,622.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.27 : 7,628.18 = 1,622.25 : x
2. Step 2: Convert to fraction form
   5,085.27/7,628.18 = 1,622.25/x
3. Step 3: Cross multiply
   5,085.27x = 7,628.18 × 1,622.25
4. Step 4: Simplify right side
   5,085.27x = 12,374,806.89
5. Step 5: Solve for x
   x = 12,374,806.89/5,085.27
6. Step 6: Final answer
   x = 2,433.46