Finding the Fourth Proportional to 140,078.73, 209,025.56 and 124,982.07

Step by Step Solution

1. Step 1: Write the proportion equation
   140,078.73 : 209,025.56 = 124,982.07 : x
2. Step 2: Convert to fraction form
   140,078.73/209,025.56 = 124,982.07/x
3. Step 3: Cross multiply
   140,078.73x = 209,025.56 × 124,982.07
4. Step 4: Simplify right side
   140,078.73x = 26,124,446,546.80
5. Step 5: Solve for x
   x = 26,124,446,546.80/140,078.73
6. Step 6: Final answer
   x = 186,498.31