Finding the Fourth Proportional to 12,573.36, 17,354.73 and 7,198.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.36 : 17,354.73 = 7,198.81 : x
2. Step 2: Convert to fraction form
   12,573.36/17,354.73 = 7,198.81/x
3. Step 3: Cross multiply
   12,573.36x = 17,354.73 × 7,198.81
4. Step 4: Simplify right side
   12,573.36x = 124,933,387.48
5. Step 5: Solve for x
   x = 124,933,387.48/12,573.36
6. Step 6: Final answer
   x = 9,936.36