Finding the Fourth Proportional to 123,829.72, 170,881.72 and 70,119.83

Step by Step Solution

1. Step 1: Write the proportion equation
   123,829.72 : 170,881.72 = 70,119.83 : x
2. Step 2: Convert to fraction form
   123,829.72/170,881.72 = 70,119.83/x
3. Step 3: Cross multiply
   123,829.72x = 170,881.72 × 70,119.83
4. Step 4: Simplify right side
   123,829.72x = 11,982,197,408.41
5. Step 5: Solve for x
   x = 11,982,197,408.41/123,829.72
6. Step 6: Final answer
   x = 96,763.50