Finding the Fourth Proportional to 13,074.42, 19,600.56 and 5,673.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.42 : 19,600.56 = 5,673.30 : x
2. Step 2: Convert to fraction form
   13,074.42/19,600.56 = 5,673.30/x
3. Step 3: Cross multiply
   13,074.42x = 19,600.56 × 5,673.30
4. Step 4: Simplify right side
   13,074.42x = 111,199,857.05
5. Step 5: Solve for x
   x = 111,199,857.05/13,074.42
6. Step 6: Final answer
   x = 8,505.15