Finding the Fourth Proportional to 109,086.92, 163,612.12 and 30,209.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,086.92 : 163,612.12 = 30,209.12 : x
2. Step 2: Convert to fraction form
   109,086.92/163,612.12 = 30,209.12/x
3. Step 3: Cross multiply
   109,086.92x = 163,612.12 × 30,209.12
4. Step 4: Simplify right side
   109,086.92x = 4,942,578,166.53
5. Step 5: Solve for x
   x = 4,942,578,166.53/109,086.92
6. Step 6: Final answer
   x = 45,308.62