Finding the Fourth Proportional to 9,940.98, 14,911.72 and 4,098.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.98 : 14,911.72 = 4,098.04 : x
2. Step 2: Convert to fraction form
   9,940.98/14,911.72 = 4,098.04/x
3. Step 3: Cross multiply
   9,940.98x = 14,911.72 × 4,098.04
4. Step 4: Simplify right side
   9,940.98x = 61,108,825.03
5. Step 5: Solve for x
   x = 61,108,825.03/9,940.98
6. Step 6: Final answer
   x = 6,147.16