Finding the Fourth Proportional to 109,065.50, 163,601.89 and 30,173.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,065.50 : 163,601.89 = 30,173.12 : x
2. Step 2: Convert to fraction form
   109,065.50/163,601.89 = 30,173.12/x
3. Step 3: Cross multiply
   109,065.50x = 163,601.89 × 30,173.12
4. Step 4: Simplify right side
   109,065.50x = 4,936,379,459.20
5. Step 5: Solve for x
   x = 4,936,379,459.20/109,065.50
6. Step 6: Final answer
   x = 45,260.69