Finding the Fourth Proportional to 43,457.22, 65,196.00 and 13,469.89

Step by Step Solution

1. Step 1: Write the proportion equation
   43,457.22 : 65,196.00 = 13,469.89 : x
2. Step 2: Convert to fraction form
   43,457.22/65,196.00 = 13,469.89/x
3. Step 3: Cross multiply
   43,457.22x = 65,196.00 × 13,469.89
4. Step 4: Simplify right side
   43,457.22x = 878,183,145.10
5. Step 5: Solve for x
   x = 878,183,145.10/43,457.22
6. Step 6: Final answer
   x = 20,207.99