Finding the Fourth Proportional to 2,482.56, 3,720.48 and 942.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.56 : 3,720.48 = 942.72 : x
2. Step 2: Convert to fraction form
   2,482.56/3,720.48 = 942.72/x
3. Step 3: Cross multiply
   2,482.56x = 3,720.48 × 942.72
4. Step 4: Simplify right side
   2,482.56x = 3,507,370.91
5. Step 5: Solve for x
   x = 3,507,370.91/2,482.56
6. Step 6: Final answer
   x = 1,412.80