Finding the Fourth Proportional to 5,322.55, 7,992.72 and 3,325.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322.55 : 7,992.72 = 3,325.89 : x
2. Step 2: Convert to fraction form
   5,322.55/7,992.72 = 3,325.89/x
3. Step 3: Cross multiply
   5,322.55x = 7,992.72 × 3,325.89
4. Step 4: Simplify right side
   5,322.55x = 26,582,907.52
5. Step 5: Solve for x
   x = 26,582,907.52/5,322.55
6. Step 6: Final answer
   x = 4,994.39