Finding the Fourth Proportional to 129,667.67, 194,168.06 and 104,247.71

Step by Step Solution

1. Step 1: Write the proportion equation
   129,667.67 : 194,168.06 = 104,247.71 : x
2. Step 2: Convert to fraction form
   129,667.67/194,168.06 = 104,247.71/x
3. Step 3: Cross multiply
   129,667.67x = 194,168.06 × 104,247.71
4. Step 4: Simplify right side
   129,667.67x = 20,241,575,088.90
5. Step 5: Solve for x
   x = 20,241,575,088.90/129,667.67
6. Step 6: Final answer
   x = 156,103.48