Finding the Fourth Proportional to 139,832.12, 209,667.18 and 95,512.43

Step by Step Solution

1. Step 1: Write the proportion equation
   139,832.12 : 209,667.18 = 95,512.43 : x
2. Step 2: Convert to fraction form
   139,832.12/209,667.18 = 95,512.43/x
3. Step 3: Cross multiply
   139,832.12x = 209,667.18 × 95,512.43
4. Step 4: Simplify right side
   139,832.12x = 20,025,821,853.05
5. Step 5: Solve for x
   x = 20,025,821,853.05/139,832.12
6. Step 6: Final answer
   x = 143,213.32