Finding the Fourth Proportional to 12,947.68, 17,866.56 and 7,282

Step by Step Solution

1. Step 1: Write the proportion equation
   12,947.68 : 17,866.56 = 7,282 : x
2. Step 2: Convert to fraction form
   12,947.68/17,866.56 = 7,282/x
3. Step 3: Cross multiply
   12,947.68x = 17,866.56 × 7,282
4. Step 4: Simplify right side
   12,947.68x = 130,104,289.92
5. Step 5: Solve for x
   x = 130,104,289.92/12,947.68
6. Step 6: Final answer
   x = 10,048.46