Finding the Fourth Proportional to 108,906.55, 163,368.03 and 30,020.09

Step by Step Solution

1. Step 1: Write the proportion equation
   108,906.55 : 163,368.03 = 30,020.09 : x
2. Step 2: Convert to fraction form
   108,906.55/163,368.03 = 30,020.09/x
3. Step 3: Cross multiply
   108,906.55x = 163,368.03 × 30,020.09
4. Step 4: Simplify right side
   108,906.55x = 4,904,322,963.72
5. Step 5: Solve for x
   x = 4,904,322,963.72/108,906.55
6. Step 6: Final answer
   x = 45,032.40