Finding the Fourth Proportional to 2,043.25, 2,820.55 and 1,381.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.25 : 2,820.55 = 1,381.00 : x
2. Step 2: Convert to fraction form
   2,043.25/2,820.55 = 1,381.00/x
3. Step 3: Cross multiply
   2,043.25x = 2,820.55 × 1,381.00
4. Step 4: Simplify right side
   2,043.25x = 3,895,173.04
5. Step 5: Solve for x
   x = 3,895,173.04/2,043.25
6. Step 6: Final answer
   x = 1,906.36