Finding the Fourth Proportional to 1,898.46, 2,826.18 and 1,877.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.46 : 2,826.18 = 1,877.40 : x
2. Step 2: Convert to fraction form
   1,898.46/2,826.18 = 1,877.40/x
3. Step 3: Cross multiply
   1,898.46x = 2,826.18 × 1,877.40
4. Step 4: Simplify right side
   1,898.46x = 5,305,870.33
5. Step 5: Solve for x
   x = 5,305,870.33/1,898.46
6. Step 6: Final answer
   x = 2,794.83