Finding the Fourth Proportional to 123,856.92, 170,937 and 73,555.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,856.92 : 170,937 = 73,555.92 : x
2. Step 2: Convert to fraction form
   123,856.92/170,937 = 73,555.92/x
3. Step 3: Cross multiply
   123,856.92x = 170,937 × 73,555.92
4. Step 4: Simplify right side
   123,856.92x = 12,573,428,297.04
5. Step 5: Solve for x
   x = 12,573,428,297.04/123,856.92
6. Step 6: Final answer
   x = 101,515.75