Finding the Fourth Proportional to 5,004.56, 7,503.24 and 3,131.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,004.56 : 7,503.24 = 3,131.12 : x
2. Step 2: Convert to fraction form
   5,004.56/7,503.24 = 3,131.12/x
3. Step 3: Cross multiply
   5,004.56x = 7,503.24 × 3,131.12
4. Step 4: Simplify right side
   5,004.56x = 23,493,544.83
5. Step 5: Solve for x
   x = 23,493,544.83/5,004.56
6. Step 6: Final answer
   x = 4,694.43