Finding the Fourth Proportional to 10,558.62, 14,570.69 and 5,778.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,558.62 : 14,570.69 = 5,778.54 : x
2. Step 2: Convert to fraction form
   10,558.62/14,570.69 = 5,778.54/x
3. Step 3: Cross multiply
   10,558.62x = 14,570.69 × 5,778.54
4. Step 4: Simplify right side
   10,558.62x = 84,197,286.10
5. Step 5: Solve for x
   x = 84,197,286.10/10,558.62
6. Step 6: Final answer
   x = 7,974.27