Finding the Fourth Proportional to 123,960.83, 171,065.13 and 67,372.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,960.83 : 171,065.13 = 67,372.20 : x
2. Step 2: Convert to fraction form
   123,960.83/171,065.13 = 67,372.20/x
3. Step 3: Cross multiply
   123,960.83x = 171,065.13 × 67,372.20
4. Step 4: Simplify right side
   123,960.83x = 11,525,034,151.39
5. Step 5: Solve for x
   x = 11,525,034,151.39/123,960.83
6. Step 6: Final answer
   x = 92,973.20