Finding the Fourth Proportional to 42,010.36, 57,975.69 and 23,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,010.36 : 57,975.69 = 23,147.89 : x
2. Step 2: Convert to fraction form
   42,010.36/57,975.69 = 23,147.89/x
3. Step 3: Cross multiply
   42,010.36x = 57,975.69 × 23,147.89
4. Step 4: Simplify right side
   42,010.36x = 1,342,014,894.79
5. Step 5: Solve for x
   x = 1,342,014,894.79/42,010.36
6. Step 6: Final answer
   x = 31,944.86