Finding the Fourth Proportional to 107,145.06, 160,718.91 and 73,856.17

Step by Step Solution

1. Step 1: Write the proportion equation
   107,145.06 : 160,718.91 = 73,856.17 : x
2. Step 2: Convert to fraction form
   107,145.06/160,718.91 = 73,856.17/x
3. Step 3: Cross multiply
   107,145.06x = 160,718.91 × 73,856.17
4. Step 4: Simplify right side
   107,145.06x = 11,870,083,139.17
5. Step 5: Solve for x
   x = 11,870,083,139.17/107,145.06
6. Step 6: Final answer
   x = 110,785.16