Finding the Fourth Proportional to 42,040.49, 58,016.27 and 23,178.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,040.49 : 58,016.27 = 23,178.29 : x
2. Step 2: Convert to fraction form
   42,040.49/58,016.27 = 23,178.29/x
3. Step 3: Cross multiply
   42,040.49x = 58,016.27 × 23,178.29
4. Step 4: Simplify right side
   42,040.49x = 1,344,717,930.78
5. Step 5: Solve for x
   x = 1,344,717,930.78/42,040.49
6. Step 6: Final answer
   x = 31,986.26