Finding the Fourth Proportional to 129,667.92, 194,168.43 and 104,247.96

Step by Step Solution

1. Step 1: Write the proportion equation
   129,667.92 : 194,168.43 = 104,247.96 : x
2. Step 2: Convert to fraction form
   129,667.92/194,168.43 = 104,247.96/x
3. Step 3: Cross multiply
   129,667.92x = 194,168.43 × 104,247.96
4. Step 4: Simplify right side
   129,667.92x = 20,241,662,723.90
5. Step 5: Solve for x
   x = 20,241,662,723.90/129,667.92
6. Step 6: Final answer
   x = 156,103.86