Finding the Fourth Proportional to 7,078.82, 10,619.76 and 2,148.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.82 : 10,619.76 = 2,148.83 : x
2. Step 2: Convert to fraction form
   7,078.82/10,619.76 = 2,148.83/x
3. Step 3: Cross multiply
   7,078.82x = 10,619.76 × 2,148.83
4. Step 4: Simplify right side
   7,078.82x = 22,820,005.78
5. Step 5: Solve for x
   x = 22,820,005.78/7,078.82
6. Step 6: Final answer
   x = 3,223.70