Finding the Fourth Proportional to 123,908.67, 171,002.43 and 70,194.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,908.67 : 171,002.43 = 70,194.12 : x
2. Step 2: Convert to fraction form
   123,908.67/171,002.43 = 70,194.12/x
3. Step 3: Cross multiply
   123,908.67x = 171,002.43 × 70,194.12
4. Step 4: Simplify right side
   123,908.67x = 12,003,365,091.71
5. Step 5: Solve for x
   x = 12,003,365,091.71/123,908.67
6. Step 6: Final answer
   x = 96,872.68