Finding the Fourth Proportional to 108,981.76, 163,469.40 and 30,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,981.76 : 163,469.40 = 30,100.72 : x
2. Step 2: Convert to fraction form
   108,981.76/163,469.40 = 30,100.72/x
3. Step 3: Cross multiply
   108,981.76x = 163,469.40 × 30,100.72
4. Step 4: Simplify right side
   108,981.76x = 4,920,546,637.97
5. Step 5: Solve for x
   x = 4,920,546,637.97/108,981.76
6. Step 6: Final answer
   x = 45,150.19