Finding the Fourth Proportional to 43,832.38, 65,759.61 and 12,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,832.38 : 65,759.61 = 12,667.42 : x
2. Step 2: Convert to fraction form
   43,832.38/65,759.61 = 12,667.42/x
3. Step 3: Cross multiply
   43,832.38x = 65,759.61 × 12,667.42
4. Step 4: Simplify right side
   43,832.38x = 833,004,598.91
5. Step 5: Solve for x
   x = 833,004,598.91/43,832.38
6. Step 6: Final answer
   x = 19,004.32