Finding the Fourth Proportional to 5,523.62, 7,619.72 and 3,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,523.62 : 7,619.72 = 3,424.10 : x
2. Step 2: Convert to fraction form
   5,523.62/7,619.72 = 3,424.10/x
3. Step 3: Cross multiply
   5,523.62x = 7,619.72 × 3,424.10
4. Step 4: Simplify right side
   5,523.62x = 26,090,628.03
5. Step 5: Solve for x
   x = 26,090,628.03/5,523.62
6. Step 6: Final answer
   x = 4,723.47