Finding the Fourth Proportional to 12,849, 17,731.62 and 7,260

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849 : 17,731.62 = 7,260 : x
2. Step 2: Convert to fraction form
   12,849/17,731.62 = 7,260/x
3. Step 3: Cross multiply
   12,849x = 17,731.62 × 7,260
4. Step 4: Simplify right side
   12,849x = 128,731,561.20
5. Step 5: Solve for x
   x = 128,731,561.20/12,849
6. Step 6: Final answer
   x = 10,018.80