Finding the Fourth Proportional to 42,590.88, 58,777.20 and 23,728

Step by Step Solution

1. Step 1: Write the proportion equation
   42,590.88 : 58,777.20 = 23,728 : x
2. Step 2: Convert to fraction form
   42,590.88/58,777.20 = 23,728/x
3. Step 3: Cross multiply
   42,590.88x = 58,777.20 × 23,728
4. Step 4: Simplify right side
   42,590.88x = 1,394,665,401.60
5. Step 5: Solve for x
   x = 1,394,665,401.60/42,590.88
6. Step 6: Final answer
   x = 32,745.63