Finding the Fourth Proportional to 109,100.20, 163,631.73 and 30,195.94

Step by Step Solution

1. Step 1: Write the proportion equation
   109,100.20 : 163,631.73 = 30,195.94 : x
2. Step 2: Convert to fraction form
   109,100.20/163,631.73 = 30,195.94/x
3. Step 3: Cross multiply
   109,100.20x = 163,631.73 × 30,195.94
4. Step 4: Simplify right side
   109,100.20x = 4,941,013,083.02
5. Step 5: Solve for x
   x = 4,941,013,083.02/109,100.20
6. Step 6: Final answer
   x = 45,288.76