Finding the Fourth Proportional to 12,304.61, 16,983.57 and 7,586.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,304.61 : 16,983.57 = 7,586.16 : x
2. Step 2: Convert to fraction form
   12,304.61/16,983.57 = 7,586.16/x
3. Step 3: Cross multiply
   12,304.61x = 16,983.57 × 7,586.16
4. Step 4: Simplify right side
   12,304.61x = 128,840,044.15
5. Step 5: Solve for x
   x = 128,840,044.15/12,304.61
6. Step 6: Final answer
   x = 10,470.88