Finding the Fourth Proportional to 7,088.73, 10,619.25 and 5,211.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,088.73 : 10,619.25 = 5,211.15 : x
2. Step 2: Convert to fraction form
   7,088.73/10,619.25 = 5,211.15/x
3. Step 3: Cross multiply
   7,088.73x = 10,619.25 × 5,211.15
4. Step 4: Simplify right side
   7,088.73x = 55,338,556.72
5. Step 5: Solve for x
   x = 55,338,556.72/7,088.73
6. Step 6: Final answer
   x = 7,806.56