Finding the Fourth Proportional to 3,722.41, 5,581.68 and 1,256.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.41 : 5,581.68 = 1,256.32 : x
2. Step 2: Convert to fraction form
   3,722.41/5,581.68 = 1,256.32/x
3. Step 3: Cross multiply
   3,722.41x = 5,581.68 × 1,256.32
4. Step 4: Simplify right side
   3,722.41x = 7,012,376.22
5. Step 5: Solve for x
   x = 7,012,376.22/3,722.41
6. Step 6: Final answer
   x = 1,883.83