Finding the Fourth Proportional to 10,089.19, 15,147.83 and 5,162.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.19 : 15,147.83 = 5,162.23 : x
2. Step 2: Convert to fraction form
   10,089.19/15,147.83 = 5,162.23/x
3. Step 3: Cross multiply
   10,089.19x = 15,147.83 × 5,162.23
4. Step 4: Simplify right side
   10,089.19x = 78,196,582.46
5. Step 5: Solve for x
   x = 78,196,582.46/10,089.19
6. Step 6: Final answer
   x = 7,750.53