Finding the Fourth Proportional to 30,321.83, 45,487.61 and 12,794.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,321.83 : 45,487.61 = 12,794.24 : x
2. Step 2: Convert to fraction form
   30,321.83/45,487.61 = 12,794.24/x
3. Step 3: Cross multiply
   30,321.83x = 45,487.61 × 12,794.24
4. Step 4: Simplify right side
   30,321.83x = 581,979,399.37
5. Step 5: Solve for x
   x = 581,979,399.37/30,321.83
6. Step 6: Final answer
   x = 19,193.41