Finding the Fourth Proportional to 15,510.58, 21,401.22 and 8,794.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,510.58 : 21,401.22 = 8,794.69 : x
2. Step 2: Convert to fraction form
   15,510.58/21,401.22 = 8,794.69/x
3. Step 3: Cross multiply
   15,510.58x = 21,401.22 × 8,794.69
4. Step 4: Simplify right side
   15,510.58x = 188,217,095.52
5. Step 5: Solve for x
   x = 188,217,095.52/15,510.58
6. Step 6: Final answer
   x = 12,134.76