Finding the Fourth Proportional to 109,103.46, 163,636.59 and 30,199.20

Step by Step Solution

1. Step 1: Write the proportion equation
   109,103.46 : 163,636.59 = 30,199.20 : x
2. Step 2: Convert to fraction form
   109,103.46/163,636.59 = 30,199.20/x
3. Step 3: Cross multiply
   109,103.46x = 163,636.59 × 30,199.20
4. Step 4: Simplify right side
   109,103.46x = 4,941,694,108.73
5. Step 5: Solve for x
   x = 4,941,694,108.73/109,103.46
6. Step 6: Final answer
   x = 45,293.65