Finding the Fourth Proportional to 2,712.91, 3,743.72 and 1,533.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.91 : 3,743.72 = 1,533.96 : x
2. Step 2: Convert to fraction form
   2,712.91/3,743.72 = 1,533.96/x
3. Step 3: Cross multiply
   2,712.91x = 3,743.72 × 1,533.96
4. Step 4: Simplify right side
   2,712.91x = 5,742,716.73
5. Step 5: Solve for x
   x = 5,742,716.73/2,712.91
6. Step 6: Final answer
   x = 2,116.81