Finding the Fourth Proportional to 25,091.91, 37,626.92 and 8,447.47

Step by Step Solution

1. Step 1: Write the proportion equation
   25,091.91 : 37,626.92 = 8,447.47 : x
2. Step 2: Convert to fraction form
   25,091.91/37,626.92 = 8,447.47/x
3. Step 3: Cross multiply
   25,091.91x = 37,626.92 × 8,447.47
4. Step 4: Simplify right side
   25,091.91x = 317,852,277.89
5. Step 5: Solve for x
   x = 317,852,277.89/25,091.91
6. Step 6: Final answer
   x = 12,667.52