Finding the Fourth Proportional to 9,665.88, 14,494.72 and 3,427.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.88 : 14,494.72 = 3,427.46 : x
2. Step 2: Convert to fraction form
   9,665.88/14,494.72 = 3,427.46/x
3. Step 3: Cross multiply
   9,665.88x = 14,494.72 × 3,427.46
4. Step 4: Simplify right side
   9,665.88x = 49,679,983.40
5. Step 5: Solve for x
   x = 49,679,983.40/9,665.88
6. Step 6: Final answer
   x = 5,139.73