Finding the Fourth Proportional to 19,667.22, 29,468.02 and 13,813.35

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.22 : 29,468.02 = 13,813.35 : x
2. Step 2: Convert to fraction form
   19,667.22/29,468.02 = 13,813.35/x
3. Step 3: Cross multiply
   19,667.22x = 29,468.02 × 13,813.35
4. Step 4: Simplify right side
   19,667.22x = 407,052,120.69
5. Step 5: Solve for x
   x = 407,052,120.69/19,667.22
6. Step 6: Final answer
   x = 20,696.98