Finding the Fourth Proportional to 139,314.28, 192,302.76 and 82,725.26

Step by Step Solution

1. Step 1: Write the proportion equation
   139,314.28 : 192,302.76 = 82,725.26 : x
2. Step 2: Convert to fraction form
   139,314.28/192,302.76 = 82,725.26/x
3. Step 3: Cross multiply
   139,314.28x = 192,302.76 × 82,725.26
4. Step 4: Simplify right side
   139,314.28x = 15,908,295,819.72
5. Step 5: Solve for x
   x = 15,908,295,819.72/139,314.28
6. Step 6: Final answer
   x = 114,189.99