Finding the Fourth Proportional to 108,811.30, 163,198.15 and 28,849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   108,811.30 : 163,198.15 = 28,849.82 : x
2. Step 2: Convert to fraction form
   108,811.30/163,198.15 = 28,849.82/x
3. Step 3: Cross multiply
   108,811.30x = 163,198.15 × 28,849.82
4. Step 4: Simplify right side
   108,811.30x = 4,708,237,659.83
5. Step 5: Solve for x
   x = 4,708,237,659.83/108,811.30
6. Step 6: Final answer
   x = 43,269.75