Finding the Fourth Proportional to 163,978.41, 245,708.55 and 123,807.27

Step by Step Solution

1. Step 1: Write the proportion equation
   163,978.41 : 245,708.55 = 123,807.27 : x
2. Step 2: Convert to fraction form
   163,978.41/245,708.55 = 123,807.27/x
3. Step 3: Cross multiply
   163,978.41x = 245,708.55 × 123,807.27
4. Step 4: Simplify right side
   163,978.41x = 30,420,504,791.16
5. Step 5: Solve for x
   x = 30,420,504,791.16/163,978.41
6. Step 6: Final answer
   x = 185,515.31