Finding the Fourth Proportional to 12,972.09, 17,901.83 and 7,307.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,972.09 : 17,901.83 = 7,307.04 : x
2. Step 2: Convert to fraction form
   12,972.09/17,901.83 = 7,307.04/x
3. Step 3: Cross multiply
   12,972.09x = 17,901.83 × 7,307.04
4. Step 4: Simplify right side
   12,972.09x = 130,809,387.88
5. Step 5: Solve for x
   x = 130,809,387.88/12,972.09
6. Step 6: Final answer
   x = 10,083.91