Finding the Fourth Proportional to 109,009.76, 163,514.70 and 30,124.05

Step by Step Solution

1. Step 1: Write the proportion equation
   109,009.76 : 163,514.70 = 30,124.05 : x
2. Step 2: Convert to fraction form
   109,009.76/163,514.70 = 30,124.05/x
3. Step 3: Cross multiply
   109,009.76x = 163,514.70 × 30,124.05
4. Step 4: Simplify right side
   109,009.76x = 4,925,724,998.54
5. Step 5: Solve for x
   x = 4,925,724,998.54/109,009.76
6. Step 6: Final answer
   x = 45,186.09