Finding the Fourth Proportional to 1,856.36, 2,563.98 and 1,334.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.36 : 2,563.98 = 1,334.72 : x
2. Step 2: Convert to fraction form
   1,856.36/2,563.98 = 1,334.72/x
3. Step 3: Cross multiply
   1,856.36x = 2,563.98 × 1,334.72
4. Step 4: Simplify right side
   1,856.36x = 3,422,195.39
5. Step 5: Solve for x
   x = 3,422,195.39/1,856.36
6. Step 6: Final answer
   x = 1,843.50