Finding the Fourth Proportional to 7,578.01, 10,456.96 and 5,589.67

Step by Step Solution

1. Step 1: Write the proportion equation
   7,578.01 : 10,456.96 = 5,589.67 : x
2. Step 2: Convert to fraction form
   7,578.01/10,456.96 = 5,589.67/x
3. Step 3: Cross multiply
   7,578.01x = 10,456.96 × 5,589.67
4. Step 4: Simplify right side
   7,578.01x = 58,450,903.32
5. Step 5: Solve for x
   x = 58,450,903.32/7,578.01
6. Step 6: Final answer
   x = 7,713.23