Finding the Fourth Proportional to 5,947.48, 8,205.53 and 3,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,947.48 : 8,205.53 = 3,428.72 : x
2. Step 2: Convert to fraction form
   5,947.48/8,205.53 = 3,428.72/x
3. Step 3: Cross multiply
   5,947.48x = 8,205.53 × 3,428.72
4. Step 4: Simplify right side
   5,947.48x = 28,134,464.82
5. Step 5: Solve for x
   x = 28,134,464.82/5,947.48
6. Step 6: Final answer
   x = 4,730.48