Finding the Fourth Proportional to 5,089.38, 7,628.46 and 2,624.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,089.38 : 7,628.46 = 2,624.34 : x
2. Step 2: Convert to fraction form
   5,089.38/7,628.46 = 2,624.34/x
3. Step 3: Cross multiply
   5,089.38x = 7,628.46 × 2,624.34
4. Step 4: Simplify right side
   5,089.38x = 20,019,672.72
5. Step 5: Solve for x
   x = 20,019,672.72/5,089.38
6. Step 6: Final answer
   x = 3,933.62