Finding the Fourth Proportional to 41,356.41, 57,026.25 and 28,587.42

Step by Step Solution

1. Step 1: Write the proportion equation
   41,356.41 : 57,026.25 = 28,587.42 : x
2. Step 2: Convert to fraction form
   41,356.41/57,026.25 = 28,587.42/x
3. Step 3: Cross multiply
   41,356.41x = 57,026.25 × 28,587.42
4. Step 4: Simplify right side
   41,356.41x = 1,630,233,359.78
5. Step 5: Solve for x
   x = 1,630,233,359.78/41,356.41
6. Step 6: Final answer
   x = 39,419.12