Finding the Fourth Proportional to 12,947.85, 17,867.48 and 7,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,947.85 : 17,867.48 = 7,282.50 : x
2. Step 2: Convert to fraction form
   12,947.85/17,867.48 = 7,282.50/x
3. Step 3: Cross multiply
   12,947.85x = 17,867.48 × 7,282.50
4. Step 4: Simplify right side
   12,947.85x = 130,119,886.69
5. Step 5: Solve for x
   x = 130,119,886.69/12,947.85
6. Step 6: Final answer
   x = 10,049.54