Finding the Fourth Proportional to 108,969.50, 163,463.64 and 30,083.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,969.50 : 163,463.64 = 30,083.72 : x
2. Step 2: Convert to fraction form
   108,969.50/163,463.64 = 30,083.72/x
3. Step 3: Cross multiply
   108,969.50x = 163,463.64 × 30,083.72
4. Step 4: Simplify right side
   108,969.50x = 4,917,594,375.94
5. Step 5: Solve for x
   x = 4,917,594,375.94/108,969.50
6. Step 6: Final answer
   x = 45,128.17