Finding the Fourth Proportional to 139,836.85, 192,908.73 and 94,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   139,836.85 : 192,908.73 = 94,530.72 : x
2. Step 2: Convert to fraction form
   139,836.85/192,908.73 = 94,530.72/x
3. Step 3: Cross multiply
   139,836.85x = 192,908.73 × 94,530.72
4. Step 4: Simplify right side
   139,836.85x = 18,235,801,141.19
5. Step 5: Solve for x
   x = 18,235,801,141.19/139,836.85
6. Step 6: Final answer
   x = 130,407.69