Finding the Fourth Proportional to 7,072.55, 10,589.31 and 4,729.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,072.55 : 10,589.31 = 4,729.31 : x
2. Step 2: Convert to fraction form
   7,072.55/10,589.31 = 4,729.31/x
3. Step 3: Cross multiply
   7,072.55x = 10,589.31 × 4,729.31
4. Step 4: Simplify right side
   7,072.55x = 50,080,076.73
5. Step 5: Solve for x
   x = 50,080,076.73/7,072.55
6. Step 6: Final answer
   x = 7,080.91