Finding the Fourth Proportional to 1,853.29, 2,761.28 and 1,826.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.29 : 2,761.28 = 1,826.56 : x
2. Step 2: Convert to fraction form
   1,853.29/2,761.28 = 1,826.56/x
3. Step 3: Cross multiply
   1,853.29x = 2,761.28 × 1,826.56
4. Step 4: Simplify right side
   1,853.29x = 5,043,627.56
5. Step 5: Solve for x
   x = 5,043,627.56/1,853.29
6. Step 6: Final answer
   x = 2,721.45