Finding the Fourth Proportional to 123,814, 170,858.72 and 67,224.16

Step by Step Solution

1. Step 1: Write the proportion equation
   123,814 : 170,858.72 = 67,224.16 : x
2. Step 2: Convert to fraction form
   123,814/170,858.72 = 67,224.16/x
3. Step 3: Cross multiply
   123,814x = 170,858.72 × 67,224.16
4. Step 4: Simplify right side
   123,814x = 11,485,833,930.68
5. Step 5: Solve for x
   x = 11,485,833,930.68/123,814
6. Step 6: Final answer
   x = 92,766.84