Finding the Fourth Proportional to 12,686.82, 19,035.69 and 5,292.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686.82 : 19,035.69 = 5,292.73 : x
2. Step 2: Convert to fraction form
   12,686.82/19,035.69 = 5,292.73/x
3. Step 3: Cross multiply
   12,686.82x = 19,035.69 × 5,292.73
4. Step 4: Simplify right side
   12,686.82x = 100,750,767.53
5. Step 5: Solve for x
   x = 100,750,767.53/12,686.82
6. Step 6: Final answer
   x = 7,941.37