Finding the Fourth Proportional to 5,436.48, 8,141.12 and 3,482.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.48 : 8,141.12 = 3,482.72 : x
2. Step 2: Convert to fraction form
   5,436.48/8,141.12 = 3,482.72/x
3. Step 3: Cross multiply
   5,436.48x = 8,141.12 × 3,482.72
4. Step 4: Simplify right side
   5,436.48x = 28,353,241.45
5. Step 5: Solve for x
   x = 28,353,241.45/5,436.48
6. Step 6: Final answer
   x = 5,215.37