Finding the Fourth Proportional to 123,928.82, 171,037.27 and 70,231.13

Step by Step Solution

1. Step 1: Write the proportion equation
   123,928.82 : 171,037.27 = 70,231.13 : x
2. Step 2: Convert to fraction form
   123,928.82/171,037.27 = 70,231.13/x
3. Step 3: Cross multiply
   123,928.82x = 171,037.27 × 70,231.13
4. Step 4: Simplify right side
   123,928.82x = 12,012,140,744.22
5. Step 5: Solve for x
   x = 12,012,140,744.22/123,928.82
6. Step 6: Final answer
   x = 96,927.74