Finding the Fourth Proportional to 42,004.69, 57,966.47 and 23,142.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.69 : 57,966.47 = 23,142.22 : x
2. Step 2: Convert to fraction form
   42,004.69/57,966.47 = 23,142.22/x
3. Step 3: Cross multiply
   42,004.69x = 57,966.47 × 23,142.22
4. Step 4: Simplify right side
   42,004.69x = 1,341,472,627.52
5. Step 5: Solve for x
   x = 1,341,472,627.52/42,004.69
6. Step 6: Final answer
   x = 31,936.26