Finding the Fourth Proportional to 2,712.18, 3,742.81 and 1,533.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.18 : 3,742.81 = 1,533.25 : x
2. Step 2: Convert to fraction form
   2,712.18/3,742.81 = 1,533.25/x
3. Step 3: Cross multiply
   2,712.18x = 3,742.81 × 1,533.25
4. Step 4: Simplify right side
   2,712.18x = 5,738,643.22
5. Step 5: Solve for x
   x = 5,738,643.22/2,712.18
6. Step 6: Final answer
   x = 2,115.88