Finding the Fourth Proportional to 7,510.50, 11,259.54 and 3,131.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,510.50 : 11,259.54 = 3,131.10 : x
2. Step 2: Convert to fraction form
   7,510.50/11,259.54 = 3,131.10/x
3. Step 3: Cross multiply
   7,510.50x = 11,259.54 × 3,131.10
4. Step 4: Simplify right side
   7,510.50x = 35,254,745.69
5. Step 5: Solve for x
   x = 35,254,745.69/7,510.50
6. Step 6: Final answer
   x = 4,694.06