Finding the Fourth Proportional to 9,658.72, 14,494.58 and 3,418.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,658.72 : 14,494.58 = 3,418.71 : x
2. Step 2: Convert to fraction form
   9,658.72/14,494.58 = 3,418.71/x
3. Step 3: Cross multiply
   9,658.72x = 14,494.58 × 3,418.71
4. Step 4: Simplify right side
   9,658.72x = 49,552,748.50
5. Step 5: Solve for x
   x = 49,552,748.50/9,658.72
6. Step 6: Final answer
   x = 5,130.37