Finding the Fourth Proportional to 18,774.82, 25,906.53 and 12,061

Step by Step Solution

1. Step 1: Write the proportion equation
   18,774.82 : 25,906.53 = 12,061 : x
2. Step 2: Convert to fraction form
   18,774.82/25,906.53 = 12,061/x
3. Step 3: Cross multiply
   18,774.82x = 25,906.53 × 12,061
4. Step 4: Simplify right side
   18,774.82x = 312,458,658.33
5. Step 5: Solve for x
   x = 312,458,658.33/18,774.82
6. Step 6: Final answer
   x = 16,642.43