Finding the Fourth Proportional to 2,804.72, 3,870.36 and 1,742.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.72 : 3,870.36 = 1,742.24 : x
2. Step 2: Convert to fraction form
   2,804.72/3,870.36 = 1,742.24/x
3. Step 3: Cross multiply
   2,804.72x = 3,870.36 × 1,742.24
4. Step 4: Simplify right side
   2,804.72x = 6,743,096.01
5. Step 5: Solve for x
   x = 6,743,096.01/2,804.72
6. Step 6: Final answer
   x = 2,404.20