Finding the Fourth Proportional to 4,839.89, 7,262.56 and 2,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,839.89 : 7,262.56 = 2,066.31 : x
2. Step 2: Convert to fraction form
   4,839.89/7,262.56 = 2,066.31/x
3. Step 3: Cross multiply
   4,839.89x = 7,262.56 × 2,066.31
4. Step 4: Simplify right side
   4,839.89x = 15,006,702.94
5. Step 5: Solve for x
   x = 15,006,702.94/4,839.89
6. Step 6: Final answer
   x = 3,100.63