Finding the Fourth Proportional to 42,724.72, 58,955.46 and 25,493.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,724.72 : 58,955.46 = 25,493.89 : x
2. Step 2: Convert to fraction form
   42,724.72/58,955.46 = 25,493.89/x
3. Step 3: Cross multiply
   42,724.72x = 58,955.46 × 25,493.89
4. Step 4: Simplify right side
   42,724.72x = 1,503,004,012.14
5. Step 5: Solve for x
   x = 1,503,004,012.14/42,724.72
6. Step 6: Final answer
   x = 35,178.79