Finding the Fourth Proportional to 5,077.96, 7,620.89 and 3,322.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,077.96 : 7,620.89 = 3,322.49 : x
2. Step 2: Convert to fraction form
   5,077.96/7,620.89 = 3,322.49/x
3. Step 3: Cross multiply
   5,077.96x = 7,620.89 × 3,322.49
4. Step 4: Simplify right side
   5,077.96x = 25,320,276.10
5. Step 5: Solve for x
   x = 25,320,276.10/5,077.96
6. Step 6: Final answer
   x = 4,986.31