Finding the Fourth Proportional to 12,972.26, 17,901.82 and 7,383.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,972.26 : 17,901.82 = 7,383.62 : x
2. Step 2: Convert to fraction form
   12,972.26/17,901.82 = 7,383.62/x
3. Step 3: Cross multiply
   12,972.26x = 17,901.82 × 7,383.62
4. Step 4: Simplify right side
   12,972.26x = 132,180,128.22
5. Step 5: Solve for x
   x = 132,180,128.22/12,972.26
6. Step 6: Final answer
   x = 10,189.45