Finding the Fourth Proportional to 9,979.49, 13,773.33 and 6,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,979.49 : 13,773.33 = 6,002.80 : x
2. Step 2: Convert to fraction form
   9,979.49/13,773.33 = 6,002.80/x
3. Step 3: Cross multiply
   9,979.49x = 13,773.33 × 6,002.80
4. Step 4: Simplify right side
   9,979.49x = 82,678,510.89
5. Step 5: Solve for x
   x = 82,678,510.89/9,979.49
6. Step 6: Final answer
   x = 8,284.84