Finding the Fourth Proportional to 12,848, 17,730.78 and 7,259

Step by Step Solution

1. Step 1: Write the proportion equation
   12,848 : 17,730.78 = 7,259 : x
2. Step 2: Convert to fraction form
   12,848/17,730.78 = 7,259/x
3. Step 3: Cross multiply
   12,848x = 17,730.78 × 7,259
4. Step 4: Simplify right side
   12,848x = 128,707,732.02
5. Step 5: Solve for x
   x = 128,707,732.02/12,848
6. Step 6: Final answer
   x = 10,017.73