Finding the Fourth Proportional to 19,673.96, 29,505.90 and 5,819.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,673.96 : 29,505.90 = 5,819.72 : x
2. Step 2: Convert to fraction form
   19,673.96/29,505.90 = 5,819.72/x
3. Step 3: Cross multiply
   19,673.96x = 29,505.90 × 5,819.72
4. Step 4: Simplify right side
   19,673.96x = 171,716,076.35
5. Step 5: Solve for x
   x = 171,716,076.35/19,673.96
6. Step 6: Final answer
   x = 8,728.09