Finding the Fourth Proportional to 31,124.73, 42,938.22 and 19,183.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,124.73 : 42,938.22 = 19,183.71 : x
2. Step 2: Convert to fraction form
   31,124.73/42,938.22 = 19,183.71/x
3. Step 3: Cross multiply
   31,124.73x = 42,938.22 × 19,183.71
4. Step 4: Simplify right side
   31,124.73x = 823,714,360.40
5. Step 5: Solve for x
   x = 823,714,360.40/31,124.73
6. Step 6: Final answer
   x = 26,464.95