Finding the Fourth Proportional to 42,009.59, 57,974.31 and 23,146.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,009.59 : 57,974.31 = 23,146.73 : x
2. Step 2: Convert to fraction form
   42,009.59/57,974.31 = 23,146.73/x
3. Step 3: Cross multiply
   42,009.59x = 57,974.31 × 23,146.73
4. Step 4: Simplify right side
   42,009.59x = 1,341,915,700.51
5. Step 5: Solve for x
   x = 1,341,915,700.51/42,009.59
6. Step 6: Final answer
   x = 31,943.08