Finding the Fourth Proportional to 7,216.55, 10,826.72 and 3,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,216.55 : 10,826.72 = 3,056.72 : x
2. Step 2: Convert to fraction form
   7,216.55/10,826.72 = 3,056.72/x
3. Step 3: Cross multiply
   7,216.55x = 10,826.72 × 3,056.72
4. Step 4: Simplify right side
   7,216.55x = 33,094,236.27
5. Step 5: Solve for x
   x = 33,094,236.27/7,216.55
6. Step 6: Final answer
   x = 4,585.88