Finding the Fourth Proportional to 42,004.75, 57,966.56 and 23,143.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.75 : 57,966.56 = 23,143.09 : x
2. Step 2: Convert to fraction form
   42,004.75/57,966.56 = 23,143.09/x
3. Step 3: Cross multiply
   42,004.75x = 57,966.56 × 23,143.09
4. Step 4: Simplify right side
   42,004.75x = 1,341,525,315.07
5. Step 5: Solve for x
   x = 1,341,525,315.07/42,004.75
6. Step 6: Final answer
   x = 31,937.47