Finding the Fourth Proportional to 7,010.53, 10,515.56 and 2,849.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,010.53 : 10,515.56 = 2,849.31 : x
2. Step 2: Convert to fraction form
   7,010.53/10,515.56 = 2,849.31/x
3. Step 3: Cross multiply
   7,010.53x = 10,515.56 × 2,849.31
4. Step 4: Simplify right side
   7,010.53x = 29,962,076.02
5. Step 5: Solve for x
   x = 29,962,076.02/7,010.53
6. Step 6: Final answer
   x = 4,273.87