Finding the Fourth Proportional to 42,002.94, 57,964.20 and 23,140.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.94 : 57,964.20 = 23,140.02 : x
2. Step 2: Convert to fraction form
   42,002.94/57,964.20 = 23,140.02/x
3. Step 3: Cross multiply
   42,002.94x = 57,964.20 × 23,140.02
4. Step 4: Simplify right side
   42,002.94x = 1,341,292,747.28
5. Step 5: Solve for x
   x = 1,341,292,747.28/42,002.94
6. Step 6: Final answer
   x = 31,933.31