Finding the Fourth Proportional to 10,558.60, 14,570.64 and 5,778.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,558.60 : 14,570.64 = 5,778.52 : x
2. Step 2: Convert to fraction form
   10,558.60/14,570.64 = 5,778.52/x
3. Step 3: Cross multiply
   10,558.60x = 14,570.64 × 5,778.52
4. Step 4: Simplify right side
   10,558.60x = 84,196,734.65
5. Step 5: Solve for x
   x = 84,196,734.65/10,558.60
6. Step 6: Final answer
   x = 7,974.23