Finding the Fourth Proportional to 12,735.82, 19,111.17 and 5,339.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.82 : 19,111.17 = 5,339.71 : x
2. Step 2: Convert to fraction form
   12,735.82/19,111.17 = 5,339.71/x
3. Step 3: Cross multiply
   12,735.82x = 19,111.17 × 5,339.71
4. Step 4: Simplify right side
   12,735.82x = 102,048,105.56
5. Step 5: Solve for x
   x = 102,048,105.56/12,735.82
6. Step 6: Final answer
   x = 8,012.68