Finding the Fourth Proportional to 2,180.63, 3,003.90 and 2,069.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.63 : 3,003.90 = 2,069.48 : x
2. Step 2: Convert to fraction form
   2,180.63/3,003.90 = 2,069.48/x
3. Step 3: Cross multiply
   2,180.63x = 3,003.90 × 2,069.48
4. Step 4: Simplify right side
   2,180.63x = 6,216,510.97
5. Step 5: Solve for x
   x = 6,216,510.97/2,180.63
6. Step 6: Final answer
   x = 2,850.79