Finding the Fourth Proportional to 1,826.54, 2,521.81 and 1,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.54 : 2,521.81 = 1,406.10 : x
2. Step 2: Convert to fraction form
   1,826.54/2,521.81 = 1,406.10/x
3. Step 3: Cross multiply
   1,826.54x = 2,521.81 × 1,406.10
4. Step 4: Simplify right side
   1,826.54x = 3,545,917.04
5. Step 5: Solve for x
   x = 3,545,917.04/1,826.54
6. Step 6: Final answer
   x = 1,941.33