Finding the Fourth Proportional to 42,009.24, 57,972.72 and 23,146.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,009.24 : 57,972.72 = 23,146.38 : x
2. Step 2: Convert to fraction form
   42,009.24/57,972.72 = 23,146.38/x
3. Step 3: Cross multiply
   42,009.24x = 57,972.72 × 23,146.38
4. Step 4: Simplify right side
   42,009.24x = 1,341,858,606.75
5. Step 5: Solve for x
   x = 1,341,858,606.75/42,009.24
6. Step 6: Final answer
   x = 31,941.99