Finding the Fourth Proportional to 25,280.37, 37,943.82 and 12,809.07

Step by Step Solution

1. Step 1: Write the proportion equation
   25,280.37 : 37,943.82 = 12,809.07 : x
2. Step 2: Convert to fraction form
   25,280.37/37,943.82 = 12,809.07/x
3. Step 3: Cross multiply
   25,280.37x = 37,943.82 × 12,809.07
4. Step 4: Simplify right side
   25,280.37x = 486,025,046.45
5. Step 5: Solve for x
   x = 486,025,046.45/25,280.37
6. Step 6: Final answer
   x = 19,225.39