Finding the Fourth Proportional to 3,728.56, 5,144.52 and 2,156.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.56 : 5,144.52 = 2,156.56 : x
2. Step 2: Convert to fraction form
   3,728.56/5,144.52 = 2,156.56/x
3. Step 3: Cross multiply
   3,728.56x = 5,144.52 × 2,156.56
4. Step 4: Simplify right side
   3,728.56x = 11,094,466.05
5. Step 5: Solve for x
   x = 11,094,466.05/3,728.56
6. Step 6: Final answer
   x = 2,975.54