Finding the Fourth Proportional to 25,647.24, 38,476.62 and 8,118.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,647.24 : 38,476.62 = 8,118.12 : x
2. Step 2: Convert to fraction form
   25,647.24/38,476.62 = 8,118.12/x
3. Step 3: Cross multiply
   25,647.24x = 38,476.62 × 8,118.12
4. Step 4: Simplify right side
   25,647.24x = 312,357,818.35
5. Step 5: Solve for x
   x = 312,357,818.35/25,647.24
6. Step 6: Final answer
   x = 12,179.00