Finding the Fourth Proportional to 12,309.24, 16,984.76 and 7,272.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309.24 : 16,984.76 = 7,272.77 : x
2. Step 2: Convert to fraction form
   12,309.24/16,984.76 = 7,272.77/x
3. Step 3: Cross multiply
   12,309.24x = 16,984.76 × 7,272.77
4. Step 4: Simplify right side
   12,309.24x = 123,526,131.70
5. Step 5: Solve for x
   x = 123,526,131.70/12,309.24
6. Step 6: Final answer
   x = 10,035.23