Finding the Fourth Proportional to 43,429.05, 65,142.89 and 13,846.68

Step by Step Solution

1. Step 1: Write the proportion equation
   43,429.05 : 65,142.89 = 13,846.68 : x
2. Step 2: Convert to fraction form
   43,429.05/65,142.89 = 13,846.68/x
3. Step 3: Cross multiply
   43,429.05x = 65,142.89 × 13,846.68
4. Step 4: Simplify right side
   43,429.05x = 902,012,805.01
5. Step 5: Solve for x
   x = 902,012,805.01/43,429.05
6. Step 6: Final answer
   x = 20,769.80