Finding the Fourth Proportional to 150,579.36, 225,686.72 and 83,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,579.36 : 225,686.72 = 83,948.72 : x
2. Step 2: Convert to fraction form
   150,579.36/225,686.72 = 83,948.72/x
3. Step 3: Cross multiply
   150,579.36x = 225,686.72 × 83,948.72
4. Step 4: Simplify right side
   150,579.36x = 18,946,111,265.00
5. Step 5: Solve for x
   x = 18,946,111,265.00/150,579.36
6. Step 6: Final answer
   x = 125,821.44