Finding the Fourth Proportional to 108,967.50, 163,460.64 and 30,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,967.50 : 163,460.64 = 30,081.72 : x
2. Step 2: Convert to fraction form
   108,967.50/163,460.64 = 30,081.72/x
3. Step 3: Cross multiply
   108,967.50x = 163,460.64 × 30,081.72
4. Step 4: Simplify right side
   108,967.50x = 4,917,177,203.50
5. Step 5: Solve for x
   x = 4,917,177,203.50/108,967.50
6. Step 6: Final answer
   x = 45,125.17