Finding the Fourth Proportional to 166,851.50, 250,121.72 and 83,648.30

Step by Step Solution

1. Step 1: Write the proportion equation
   166,851.50 : 250,121.72 = 83,648.30 : x
2. Step 2: Convert to fraction form
   166,851.50/250,121.72 = 83,648.30/x
3. Step 3: Cross multiply
   166,851.50x = 250,121.72 × 83,648.30
4. Step 4: Simplify right side
   166,851.50x = 20,922,255,629.59
5. Step 5: Solve for x
   x = 20,922,255,629.59/166,851.50
6. Step 6: Final answer
   x = 125,394.48