Finding the Fourth Proportional to 12,796.37, 17,655.90 and 7,207.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.37 : 17,655.90 = 7,207.37 : x
2. Step 2: Convert to fraction form
   12,796.37/17,655.90 = 7,207.37/x
3. Step 3: Cross multiply
   12,796.37x = 17,655.90 × 7,207.37
4. Step 4: Simplify right side
   12,796.37x = 127,252,603.98
5. Step 5: Solve for x
   x = 127,252,603.98/12,796.37
6. Step 6: Final answer
   x = 9,944.43