Finding the Fourth Proportional to 9,665.98, 14,505.46 and 3,425.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.98 : 14,505.46 = 3,425.96 : x
2. Step 2: Convert to fraction form
   9,665.98/14,505.46 = 3,425.96/x
3. Step 3: Cross multiply
   9,665.98x = 14,505.46 × 3,425.96
4. Step 4: Simplify right side
   9,665.98x = 49,695,125.74
5. Step 5: Solve for x
   x = 49,695,125.74/9,665.98
6. Step 6: Final answer
   x = 5,141.24