Finding the Fourth Proportional to 124,215.88, 186,323.88 and 39,976.03

Step by Step Solution

1. Step 1: Write the proportion equation
   124,215.88 : 186,323.88 = 39,976.03 : x
2. Step 2: Convert to fraction form
   124,215.88/186,323.88 = 39,976.03/x
3. Step 3: Cross multiply
   124,215.88x = 186,323.88 × 39,976.03
4. Step 4: Simplify right side
   124,215.88x = 7,448,489,016.60
5. Step 5: Solve for x
   x = 7,448,489,016.60/124,215.88
6. Step 6: Final answer
   x = 59,964.06