Finding the Fourth Proportional to 14,417.64, 19,884.82 and 9,940.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,417.64 : 19,884.82 = 9,940.38 : x
2. Step 2: Convert to fraction form
   14,417.64/19,884.82 = 9,940.38/x
3. Step 3: Cross multiply
   14,417.64x = 19,884.82 × 9,940.38
4. Step 4: Simplify right side
   14,417.64x = 197,662,667.03
5. Step 5: Solve for x
   x = 197,662,667.03/14,417.64
6. Step 6: Final answer
   x = 13,709.78