Finding the Fourth Proportional to 39,545, 54,581.82 and 22,787.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,545 : 54,581.82 = 22,787.72 : x
2. Step 2: Convert to fraction form
   39,545/54,581.82 = 22,787.72/x
3. Step 3: Cross multiply
   39,545x = 54,581.82 × 22,787.72
4. Step 4: Simplify right side
   39,545x = 1,243,795,231.25
5. Step 5: Solve for x
   x = 1,243,795,231.25/39,545
6. Step 6: Final answer
   x = 31,452.65