Finding the Fourth Proportional to 123,870.36, 185,739.94 and 48,987.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,870.36 : 185,739.94 = 48,987.48 : x
2. Step 2: Convert to fraction form
   123,870.36/185,739.94 = 48,987.48/x
3. Step 3: Cross multiply
   123,870.36x = 185,739.94 × 48,987.48
4. Step 4: Simplify right side
   123,870.36x = 9,098,932,078.16
5. Step 5: Solve for x
   x = 9,098,932,078.16/123,870.36
6. Step 6: Final answer
   x = 73,455.28