Finding the Fourth Proportional to 12,494.85, 17,243.55 and 7,190.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,494.85 : 17,243.55 = 7,190.48 : x
2. Step 2: Convert to fraction form
   12,494.85/17,243.55 = 7,190.48/x
3. Step 3: Cross multiply
   12,494.85x = 17,243.55 × 7,190.48
4. Step 4: Simplify right side
   12,494.85x = 123,989,315.19
5. Step 5: Solve for x
   x = 123,989,315.19/12,494.85
6. Step 6: Final answer
   x = 9,923.23