Finding the Fourth Proportional to 19,404.42, 29,057.16 and 12,810.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404.42 : 29,057.16 = 12,810.48 : x
2. Step 2: Convert to fraction form
   19,404.42/29,057.16 = 12,810.48/x
3. Step 3: Cross multiply
   19,404.42x = 29,057.16 × 12,810.48
4. Step 4: Simplify right side
   19,404.42x = 372,236,167.04
5. Step 5: Solve for x
   x = 372,236,167.04/19,404.42
6. Step 6: Final answer
   x = 19,183.06