Finding the Fourth Proportional to 7,131.72, 9,837.56 and 4,474.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.72 : 9,837.56 = 4,474.52 : x
2. Step 2: Convert to fraction form
   7,131.72/9,837.56 = 4,474.52/x
3. Step 3: Cross multiply
   7,131.72x = 9,837.56 × 4,474.52
4. Step 4: Simplify right side
   7,131.72x = 44,018,287.41
5. Step 5: Solve for x
   x = 44,018,287.41/7,131.72
6. Step 6: Final answer
   x = 6,172.18