Finding the Fourth Proportional to 42,441.44, 58,116.42 and 40,768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,441.44 : 58,116.42 = 40,768.38 : x
2. Step 2: Convert to fraction form
   42,441.44/58,116.42 = 40,768.38/x
3. Step 3: Cross multiply
   42,441.44x = 58,116.42 × 40,768.38
4. Step 4: Simplify right side
   42,441.44x = 2,369,312,294.80
5. Step 5: Solve for x
   x = 2,369,312,294.80/42,441.44
6. Step 6: Final answer
   x = 55,825.45