Finding the Fourth Proportional to 2,012.80, 2,770.04 and 1,826.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.80 : 2,770.04 = 1,826.52 : x
2. Step 2: Convert to fraction form
   2,012.80/2,770.04 = 1,826.52/x
3. Step 3: Cross multiply
   2,012.80x = 2,770.04 × 1,826.52
4. Step 4: Simplify right side
   2,012.80x = 5,059,533.46
5. Step 5: Solve for x
   x = 5,059,533.46/2,012.80
6. Step 6: Final answer
   x = 2,513.68