Finding the Fourth Proportional to 42,004.98, 57,966.90 and 23,142.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.98 : 57,966.90 = 23,142.12 : x
2. Step 2: Convert to fraction form
   42,004.98/57,966.90 = 23,142.12/x
3. Step 3: Cross multiply
   42,004.98x = 57,966.90 × 23,142.12
4. Step 4: Simplify right side
   42,004.98x = 1,341,476,955.83
5. Step 5: Solve for x
   x = 1,341,476,955.83/42,004.98
6. Step 6: Final answer
   x = 31,936.14