Finding the Fourth Proportional to 19,648.17, 27,105.44 and 12,581.73

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648.17 : 27,105.44 = 12,581.73 : x
2. Step 2: Convert to fraction form
   19,648.17/27,105.44 = 12,581.73/x
3. Step 3: Cross multiply
   19,648.17x = 27,105.44 × 12,581.73
4. Step 4: Simplify right side
   19,648.17x = 341,033,264.70
5. Step 5: Solve for x
   x = 341,033,264.70/19,648.17
6. Step 6: Final answer
   x = 17,357.00