Finding the Fourth Proportional to 9,074.98, 13,614.20 and 3,151.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.98 : 13,614.20 = 3,151.64 : x
2. Step 2: Convert to fraction form
   9,074.98/13,614.20 = 3,151.64/x
3. Step 3: Cross multiply
   9,074.98x = 13,614.20 × 3,151.64
4. Step 4: Simplify right side
   9,074.98x = 42,907,087.38
5. Step 5: Solve for x
   x = 42,907,087.38/9,074.98
6. Step 6: Final answer
   x = 4,728.06