Finding the Fourth Proportional to 25,404.47, 38,131.31 and 12,266.07

Step by Step Solution

1. Step 1: Write the proportion equation
   25,404.47 : 38,131.31 = 12,266.07 : x
2. Step 2: Convert to fraction form
   25,404.47/38,131.31 = 12,266.07/x
3. Step 3: Cross multiply
   25,404.47x = 38,131.31 × 12,266.07
4. Step 4: Simplify right side
   25,404.47x = 467,721,317.65
5. Step 5: Solve for x
   x = 467,721,317.65/25,404.47
6. Step 6: Final answer
   x = 18,410.99