Finding the Fourth Proportional to 12,983.26, 17,925.45 and 9,993.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,983.26 : 17,925.45 = 9,993.82 : x
2. Step 2: Convert to fraction form
   12,983.26/17,925.45 = 9,993.82/x
3. Step 3: Cross multiply
   12,983.26x = 17,925.45 × 9,993.82
4. Step 4: Simplify right side
   12,983.26x = 179,143,720.72
5. Step 5: Solve for x
   x = 179,143,720.72/12,983.26
6. Step 6: Final answer
   x = 13,798.05