Finding the Fourth Proportional to 108,808.69, 163,187.52 and 52,621.02

Step by Step Solution

1. Step 1: Write the proportion equation
   108,808.69 : 163,187.52 = 52,621.02 : x
2. Step 2: Convert to fraction form
   108,808.69/163,187.52 = 52,621.02/x
3. Step 3: Cross multiply
   108,808.69x = 163,187.52 × 52,621.02
4. Step 4: Simplify right side
   108,808.69x = 8,587,093,141.72
5. Step 5: Solve for x
   x = 8,587,093,141.72/108,808.69
6. Step 6: Final answer
   x = 78,919.18