Finding the Fourth Proportional to 3,720.56, 5,581.35 and 1,254.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720.56 : 5,581.35 = 1,254.83 : x
2. Step 2: Convert to fraction form
   3,720.56/5,581.35 = 1,254.83/x
3. Step 3: Cross multiply
   3,720.56x = 5,581.35 × 1,254.83
4. Step 4: Simplify right side
   3,720.56x = 7,003,617.51
5. Step 5: Solve for x
   x = 7,003,617.51/3,720.56
6. Step 6: Final answer
   x = 1,882.41