Finding the Fourth Proportional to 42,040.37, 58,016.10 and 23,178.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,040.37 : 58,016.10 = 23,178.17 : x
2. Step 2: Convert to fraction form
   42,040.37/58,016.10 = 23,178.17/x
3. Step 3: Cross multiply
   42,040.37x = 58,016.10 × 23,178.17
4. Step 4: Simplify right side
   42,040.37x = 1,344,706,738.46
5. Step 5: Solve for x
   x = 1,344,706,738.46/42,040.37
6. Step 6: Final answer
   x = 31,986.09