Finding the Fourth Proportional to 9,984.50, 14,986.67 and 5,304.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.50 : 14,986.67 = 5,304.55 : x
2. Step 2: Convert to fraction form
   9,984.50/14,986.67 = 5,304.55/x
3. Step 3: Cross multiply
   9,984.50x = 14,986.67 × 5,304.55
4. Step 4: Simplify right side
   9,984.50x = 79,497,438.89
5. Step 5: Solve for x
   x = 79,497,438.89/9,984.50
6. Step 6: Final answer
   x = 7,962.09