Finding the Fourth Proportional to 18,357.89, 25,333.82 and 10,804.17

Step by Step Solution

1. Step 1: Write the proportion equation
   18,357.89 : 25,333.82 = 10,804.17 : x
2. Step 2: Convert to fraction form
   18,357.89/25,333.82 = 10,804.17/x
3. Step 3: Cross multiply
   18,357.89x = 25,333.82 × 10,804.17
4. Step 4: Simplify right side
   18,357.89x = 273,710,884.52
5. Step 5: Solve for x
   x = 273,710,884.52/18,357.89
6. Step 6: Final answer
   x = 14,909.71