Finding the Fourth Proportional to 108,856.72, 163,295.39 and 42,301.99

Step by Step Solution

1. Step 1: Write the proportion equation
   108,856.72 : 163,295.39 = 42,301.99 : x
2. Step 2: Convert to fraction form
   108,856.72/163,295.39 = 42,301.99/x
3. Step 3: Cross multiply
   108,856.72x = 163,295.39 × 42,301.99
4. Step 4: Simplify right side
   108,856.72x = 6,907,719,954.83
5. Step 5: Solve for x
   x = 6,907,719,954.83/108,856.72
6. Step 6: Final answer
   x = 63,456.99