Finding the Fourth Proportional to 12,734.82, 19,109.67 and 5,338.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734.82 : 19,109.67 = 5,338.71 : x
2. Step 2: Convert to fraction form
   12,734.82/19,109.67 = 5,338.71/x
3. Step 3: Cross multiply
   12,734.82x = 19,109.67 × 5,338.71
4. Step 4: Simplify right side
   12,734.82x = 102,020,959.63
5. Step 5: Solve for x
   x = 102,020,959.63/12,734.82
6. Step 6: Final answer
   x = 8,011.18