Finding the Fourth Proportional to 205,086.30, 307,111.05 and 163,614.30

Step by Step Solution

1. Step 1: Write the proportion equation
   205,086.30 : 307,111.05 = 163,614.30 : x
2. Step 2: Convert to fraction form
   205,086.30/307,111.05 = 163,614.30/x
3. Step 3: Cross multiply
   205,086.30x = 307,111.05 × 163,614.30
4. Step 4: Simplify right side
   205,086.30x = 50,247,759,468.02
5. Step 5: Solve for x
   x = 50,247,759,468.02/205,086.30
6. Step 6: Final answer
   x = 245,007.88