Finding the Fourth Proportional to 14,288.54, 19,718.91 and 7,915.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,288.54 : 19,718.91 = 7,915.82 : x
2. Step 2: Convert to fraction form
   14,288.54/19,718.91 = 7,915.82/x
3. Step 3: Cross multiply
   14,288.54x = 19,718.91 × 7,915.82
4. Step 4: Simplify right side
   14,288.54x = 156,091,243.56
5. Step 5: Solve for x
   x = 156,091,243.56/14,288.54
6. Step 6: Final answer
   x = 10,924.23