Finding the Fourth Proportional to 42,012.51, 57,974.63 and 23,149.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.51 : 57,974.63 = 23,149.63 : x
2. Step 2: Convert to fraction form
   42,012.51/57,974.63 = 23,149.63/x
3. Step 3: Cross multiply
   42,012.51x = 57,974.63 × 23,149.63
4. Step 4: Simplify right side
   42,012.51x = 1,342,091,233.89
5. Step 5: Solve for x
   x = 1,342,091,233.89/42,012.51
6. Step 6: Final answer
   x = 31,945.04