Finding the Fourth Proportional to 11,822.26, 17,736.42 and 4,426.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822.26 : 17,736.42 = 4,426.82 : x
2. Step 2: Convert to fraction form
   11,822.26/17,736.42 = 4,426.82/x
3. Step 3: Cross multiply
   11,822.26x = 17,736.42 × 4,426.82
4. Step 4: Simplify right side
   11,822.26x = 78,515,938.78
5. Step 5: Solve for x
   x = 78,515,938.78/11,822.26
6. Step 6: Final answer
   x = 6,641.36