Finding the Fourth Proportional to 9,907.62, 14,860.68 and 3,664.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.62 : 14,860.68 = 3,664.71 : x
2. Step 2: Convert to fraction form
   9,907.62/14,860.68 = 3,664.71/x
3. Step 3: Cross multiply
   9,907.62x = 14,860.68 × 3,664.71
4. Step 4: Simplify right side
   9,907.62x = 54,460,082.60
5. Step 5: Solve for x
   x = 54,460,082.60/9,907.62
6. Step 6: Final answer
   x = 5,496.79