Finding the Fourth Proportional to 83,245.88, 124,810.38 and 30,648.60

Step by Step Solution

1. Step 1: Write the proportion equation
   83,245.88 : 124,810.38 = 30,648.60 : x
2. Step 2: Convert to fraction form
   83,245.88/124,810.38 = 30,648.60/x
3. Step 3: Cross multiply
   83,245.88x = 124,810.38 × 30,648.60
4. Step 4: Simplify right side
   83,245.88x = 3,825,263,412.47
5. Step 5: Solve for x
   x = 3,825,263,412.47/83,245.88
6. Step 6: Final answer
   x = 45,951.38