Finding the Fourth Proportional to 12,494.76, 17,242.74 and 7,190.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,494.76 : 17,242.74 = 7,190.62 : x
2. Step 2: Convert to fraction form
   12,494.76/17,242.74 = 7,190.62/x
3. Step 3: Cross multiply
   12,494.76x = 17,242.74 × 7,190.62
4. Step 4: Simplify right side
   12,494.76x = 123,985,991.10
5. Step 5: Solve for x
   x = 123,985,991.10/12,494.76
6. Step 6: Final answer
   x = 9,923.04