Finding the Fourth Proportional to 12,411.49, 17,127.85 and 6,822.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.49 : 17,127.85 = 6,822.49 : x
2. Step 2: Convert to fraction form
   12,411.49/17,127.85 = 6,822.49/x
3. Step 3: Cross multiply
   12,411.49x = 17,127.85 × 6,822.49
4. Step 4: Simplify right side
   12,411.49x = 116,854,499.71
5. Step 5: Solve for x
   x = 116,854,499.71/12,411.49
6. Step 6: Final answer
   x = 9,415.03