Finding the Fourth Proportional to 12,832.88, 17,709.37 and 7,243.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,832.88 : 17,709.37 = 7,243.88 : x
2. Step 2: Convert to fraction form
   12,832.88/17,709.37 = 7,243.88/x
3. Step 3: Cross multiply
   12,832.88x = 17,709.37 × 7,243.88
4. Step 4: Simplify right side
   12,832.88x = 128,284,444.50
5. Step 5: Solve for x
   x = 128,284,444.50/12,832.88
6. Step 6: Final answer
   x = 9,996.55