Finding the Fourth Proportional to 21,761.24, 30,035.34 and 12,335

Step by Step Solution

1. Step 1: Write the proportion equation
   21,761.24 : 30,035.34 = 12,335 : x
2. Step 2: Convert to fraction form
   21,761.24/30,035.34 = 12,335/x
3. Step 3: Cross multiply
   21,761.24x = 30,035.34 × 12,335
4. Step 4: Simplify right side
   21,761.24x = 370,485,918.90
5. Step 5: Solve for x
   x = 370,485,918.90/21,761.24
6. Step 6: Final answer
   x = 17,025.04