Finding the Fourth Proportional to 18,456.98, 27,684.50 and 5,308.83

Step by Step Solution

1. Step 1: Write the proportion equation
   18,456.98 : 27,684.50 = 5,308.83 : x
2. Step 2: Convert to fraction form
   18,456.98/27,684.50 = 5,308.83/x
3. Step 3: Cross multiply
   18,456.98x = 27,684.50 × 5,308.83
4. Step 4: Simplify right side
   18,456.98x = 146,972,277.59
5. Step 5: Solve for x
   x = 146,972,277.59/18,456.98
6. Step 6: Final answer
   x = 7,962.97