Finding the Fourth Proportional to 13,488.95, 18,614.38 and 7,823.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,488.95 : 18,614.38 = 7,823.33 : x
2. Step 2: Convert to fraction form
   13,488.95/18,614.38 = 7,823.33/x
3. Step 3: Cross multiply
   13,488.95x = 18,614.38 × 7,823.33
4. Step 4: Simplify right side
   13,488.95x = 145,626,514.03
5. Step 5: Solve for x
   x = 145,626,514.03/13,488.95
6. Step 6: Final answer
   x = 10,795.99