Finding the Fourth Proportional to 12,761.50, 17,610.06 and 7,456

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761.50 : 17,610.06 = 7,456 : x
2. Step 2: Convert to fraction form
   12,761.50/17,610.06 = 7,456/x
3. Step 3: Cross multiply
   12,761.50x = 17,610.06 × 7,456
4. Step 4: Simplify right side
   12,761.50x = 131,300,607.36
5. Step 5: Solve for x
   x = 131,300,607.36/12,761.50
6. Step 6: Final answer
   x = 10,288.81