Finding the Fourth Proportional to 140,072.16, 193,293.86 and 82,730.04

Step by Step Solution

1. Step 1: Write the proportion equation
   140,072.16 : 193,293.86 = 82,730.04 : x
2. Step 2: Convert to fraction form
   140,072.16/193,293.86 = 82,730.04/x
3. Step 3: Cross multiply
   140,072.16x = 193,293.86 × 82,730.04
4. Step 4: Simplify right side
   140,072.16x = 15,991,208,769.55
5. Step 5: Solve for x
   x = 15,991,208,769.55/140,072.16
6. Step 6: Final answer
   x = 114,164.08