Finding the Fourth Proportional to 109,085.49, 163,628.46 and 30,199.95

Step by Step Solution

1. Step 1: Write the proportion equation
   109,085.49 : 163,628.46 = 30,199.95 : x
2. Step 2: Convert to fraction form
   109,085.49/163,628.46 = 30,199.95/x
3. Step 3: Cross multiply
   109,085.49x = 163,628.46 × 30,199.95
4. Step 4: Simplify right side
   109,085.49x = 4,941,571,310.58
5. Step 5: Solve for x
   x = 4,941,571,310.58/109,085.49
6. Step 6: Final answer
   x = 45,299.99