Finding the Fourth Proportional to 10,584.63, 14,573.46 and 8,988.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,584.63 : 14,573.46 = 8,988.12 : x
2. Step 2: Convert to fraction form
   10,584.63/14,573.46 = 8,988.12/x
3. Step 3: Cross multiply
   10,584.63x = 14,573.46 × 8,988.12
4. Step 4: Simplify right side
   10,584.63x = 130,988,007.30
5. Step 5: Solve for x
   x = 130,988,007.30/10,584.63
6. Step 6: Final answer
   x = 12,375.30