Finding the Fourth Proportional to 139,680.75, 192,725.82 and 82,322.36

Step by Step Solution

1. Step 1: Write the proportion equation
   139,680.75 : 192,725.82 = 82,322.36 : x
2. Step 2: Convert to fraction form
   139,680.75/192,725.82 = 82,322.36/x
3. Step 3: Cross multiply
   139,680.75x = 192,725.82 × 82,322.36
4. Step 4: Simplify right side
   139,680.75x = 15,865,643,371.71
5. Step 5: Solve for x
   x = 15,865,643,371.71/139,680.75
6. Step 6: Final answer
   x = 113,585.04