Finding the Fourth Proportional to 16,275.89, 24,405.15 and 7,718.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,275.89 : 24,405.15 = 7,718.33 : x
2. Step 2: Convert to fraction form
   16,275.89/24,405.15 = 7,718.33/x
3. Step 3: Cross multiply
   16,275.89x = 24,405.15 × 7,718.33
4. Step 4: Simplify right side
   16,275.89x = 188,367,001.40
5. Step 5: Solve for x
   x = 188,367,001.40/16,275.89
6. Step 6: Final answer
   x = 11,573.38