Finding the Fourth Proportional to 30,604.76, 45,926.56 and 13,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,604.76 : 45,926.56 = 13,074.72 : x
2. Step 2: Convert to fraction form
   30,604.76/45,926.56 = 13,074.72/x
3. Step 3: Cross multiply
   30,604.76x = 45,926.56 × 13,074.72
4. Step 4: Simplify right side
   30,604.76x = 600,476,912.56
5. Step 5: Solve for x
   x = 600,476,912.56/30,604.76
6. Step 6: Final answer
   x = 19,620.38