Finding the Fourth Proportional to 7,148.93, 10,719.49 and 2,150.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,148.93 : 10,719.49 = 2,150.57 : x
2. Step 2: Convert to fraction form
   7,148.93/10,719.49 = 2,150.57/x
3. Step 3: Cross multiply
   7,148.93x = 10,719.49 × 2,150.57
4. Step 4: Simplify right side
   7,148.93x = 23,052,978.77
5. Step 5: Solve for x
   x = 23,052,978.77/7,148.93
6. Step 6: Final answer
   x = 3,224.68