Finding the Fourth Proportional to 4,986.27, 7,478.55 and 1,522.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,986.27 : 7,478.55 = 1,522.71 : x
2. Step 2: Convert to fraction form
   4,986.27/7,478.55 = 1,522.71/x
3. Step 3: Cross multiply
   4,986.27x = 7,478.55 × 1,522.71
4. Step 4: Simplify right side
   4,986.27x = 11,387,662.87
5. Step 5: Solve for x
   x = 11,387,662.87/4,986.27
6. Step 6: Final answer
   x = 2,283.80