Finding the Fourth Proportional to 10,089.69, 15,148.58 and 5,162.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.69 : 15,148.58 = 5,162.73 : x
2. Step 2: Convert to fraction form
   10,089.69/15,148.58 = 5,162.73/x
3. Step 3: Cross multiply
   10,089.69x = 15,148.58 × 5,162.73
4. Step 4: Simplify right side
   10,089.69x = 78,208,028.42
5. Step 5: Solve for x
   x = 78,208,028.42/10,089.69
6. Step 6: Final answer
   x = 7,751.28