Finding the Fourth Proportional to 9,984.38, 14,978.33 and 3,409.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.38 : 14,978.33 = 3,409.03 : x
2. Step 2: Convert to fraction form
   9,984.38/14,978.33 = 3,409.03/x
3. Step 3: Cross multiply
   9,984.38x = 14,978.33 × 3,409.03
4. Step 4: Simplify right side
   9,984.38x = 51,061,576.32
5. Step 5: Solve for x
   x = 51,061,576.32/9,984.38
6. Step 6: Final answer
   x = 5,114.15