Finding the Fourth Proportional to 2,724.72, 4,090.71 and 1,409.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.72 : 4,090.71 = 1,409.52 : x
2. Step 2: Convert to fraction form
   2,724.72/4,090.71 = 1,409.52/x
3. Step 3: Cross multiply
   2,724.72x = 4,090.71 × 1,409.52
4. Step 4: Simplify right side
   2,724.72x = 5,765,937.56
5. Step 5: Solve for x
   x = 5,765,937.56/2,724.72
6. Step 6: Final answer
   x = 2,116.16