Finding the Fourth Proportional to 10,890.65, 16,328.69 and 5,044.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,890.65 : 16,328.69 = 5,044.07 : x
2. Step 2: Convert to fraction form
   10,890.65/16,328.69 = 5,044.07/x
3. Step 3: Cross multiply
   10,890.65x = 16,328.69 × 5,044.07
4. Step 4: Simplify right side
   10,890.65x = 82,363,089.88
5. Step 5: Solve for x
   x = 82,363,089.88/10,890.65
6. Step 6: Final answer
   x = 7,562.73