Finding the Fourth Proportional to 9,659.72, 14,496.08 and 3,419.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,659.72 : 14,496.08 = 3,419.71 : x
2. Step 2: Convert to fraction form
   9,659.72/14,496.08 = 3,419.71/x
3. Step 3: Cross multiply
   9,659.72x = 14,496.08 × 3,419.71
4. Step 4: Simplify right side
   9,659.72x = 49,572,389.74
5. Step 5: Solve for x
   x = 49,572,389.74/9,659.72
6. Step 6: Final answer
   x = 5,131.87