Finding the Fourth Proportional to 107,019.36, 160,530.84 and 40,490.82

Step by Step Solution

1. Step 1: Write the proportion equation
   107,019.36 : 160,530.84 = 40,490.82 : x
2. Step 2: Convert to fraction form
   107,019.36/160,530.84 = 40,490.82/x
3. Step 3: Cross multiply
   107,019.36x = 160,530.84 × 40,490.82
4. Step 4: Simplify right side
   107,019.36x = 6,500,025,346.89
5. Step 5: Solve for x
   x = 6,500,025,346.89/107,019.36
6. Step 6: Final answer
   x = 60,736.91