Finding the Fourth Proportional to 19,704.56, 29,574.56 and 13,364.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,704.56 : 29,574.56 = 13,364.10 : x
2. Step 2: Convert to fraction form
   19,704.56/29,574.56 = 13,364.10/x
3. Step 3: Cross multiply
   19,704.56x = 29,574.56 × 13,364.10
4. Step 4: Simplify right side
   19,704.56x = 395,237,410.71
5. Step 5: Solve for x
   x = 395,237,410.71/19,704.56
6. Step 6: Final answer
   x = 20,058.17