Finding the Fourth Proportional to 18,883.89, 28,323.99 and 5,736.37

Step by Step Solution

1. Step 1: Write the proportion equation
   18,883.89 : 28,323.99 = 5,736.37 : x
2. Step 2: Convert to fraction form
   18,883.89/28,323.99 = 5,736.37/x
3. Step 3: Cross multiply
   18,883.89x = 28,323.99 × 5,736.37
4. Step 4: Simplify right side
   18,883.89x = 162,476,886.52
5. Step 5: Solve for x
   x = 162,476,886.52/18,883.89
6. Step 6: Final answer
   x = 8,603.99