Finding the Fourth Proportional to 123,860.37, 170,928.33 and 67,272.15

Step by Step Solution

1. Step 1: Write the proportion equation
   123,860.37 : 170,928.33 = 67,272.15 : x
2. Step 2: Convert to fraction form
   123,860.37/170,928.33 = 67,272.15/x
3. Step 3: Cross multiply
   123,860.37x = 170,928.33 × 67,272.15
4. Step 4: Simplify right side
   123,860.37x = 11,498,716,255.01
5. Step 5: Solve for x
   x = 11,498,716,255.01/123,860.37
6. Step 6: Final answer
   x = 92,836.12