Finding the Fourth Proportional to 13,162.92, 18,164.82 and 7,194.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.92 : 18,164.82 = 7,194.59 : x
2. Step 2: Convert to fraction form
   13,162.92/18,164.82 = 7,194.59/x
3. Step 3: Cross multiply
   13,162.92x = 18,164.82 × 7,194.59
4. Step 4: Simplify right side
   13,162.92x = 130,688,436.60
5. Step 5: Solve for x
   x = 130,688,436.60/13,162.92
6. Step 6: Final answer
   x = 9,928.53