Finding the Fourth Proportional to 12,436.54, 17,161.56 and 7,059.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.54 : 17,161.56 = 7,059.09 : x
2. Step 2: Convert to fraction form
   12,436.54/17,161.56 = 7,059.09/x
3. Step 3: Cross multiply
   12,436.54x = 17,161.56 × 7,059.09
4. Step 4: Simplify right side
   12,436.54x = 121,145,009.82
5. Step 5: Solve for x
   x = 121,145,009.82/12,436.54
6. Step 6: Final answer
   x = 9,741.05