Finding the Fourth Proportional to 10,930.12, 16,390.06 and 3,629

Step by Step Solution

1. Step 1: Write the proportion equation
   10,930.12 : 16,390.06 = 3,629 : x
2. Step 2: Convert to fraction form
   10,930.12/16,390.06 = 3,629/x
3. Step 3: Cross multiply
   10,930.12x = 16,390.06 × 3,629
4. Step 4: Simplify right side
   10,930.12x = 59,479,527.74
5. Step 5: Solve for x
   x = 59,479,527.74/10,930.12
6. Step 6: Final answer
   x = 5,441.80