Finding the Fourth Proportional to 10,582.62, 14,570.71 and 8,986.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,582.62 : 14,570.71 = 8,986.11 : x
2. Step 2: Convert to fraction form
   10,582.62/14,570.71 = 8,986.11/x
3. Step 3: Cross multiply
   10,582.62x = 14,570.71 × 8,986.11
4. Step 4: Simplify right side
   10,582.62x = 130,934,002.84
5. Step 5: Solve for x
   x = 130,934,002.84/10,582.62
6. Step 6: Final answer
   x = 12,372.55