Finding the Fourth Proportional to 12,947.36, 17,866.94 and 7,282.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,947.36 : 17,866.94 = 7,282.32 : x
2. Step 2: Convert to fraction form
   12,947.36/17,866.94 = 7,282.32/x
3. Step 3: Cross multiply
   12,947.36x = 17,866.94 × 7,282.32
4. Step 4: Simplify right side
   12,947.36x = 130,112,774.50
5. Step 5: Solve for x
   x = 130,112,774.50/12,947.36
6. Step 6: Final answer
   x = 10,049.37