Finding the Fourth Proportional to 25,048, 37,584.96 and 12,736

Step by Step Solution

1. Step 1: Write the proportion equation
   25,048 : 37,584.96 = 12,736 : x
2. Step 2: Convert to fraction form
   25,048/37,584.96 = 12,736/x
3. Step 3: Cross multiply
   25,048x = 37,584.96 × 12,736
4. Step 4: Simplify right side
   25,048x = 478,682,050.56
5. Step 5: Solve for x
   x = 478,682,050.56/25,048
6. Step 6: Final answer
   x = 19,110.59