Finding the Fourth Proportional to 41,769.82, 62,667.72 and 13,690.12

Step by Step Solution

1. Step 1: Write the proportion equation
   41,769.82 : 62,667.72 = 13,690.12 : x
2. Step 2: Convert to fraction form
   41,769.82/62,667.72 = 13,690.12/x
3. Step 3: Cross multiply
   41,769.82x = 62,667.72 × 13,690.12
4. Step 4: Simplify right side
   41,769.82x = 857,928,606.93
5. Step 5: Solve for x
   x = 857,928,606.93/41,769.82
6. Step 6: Final answer
   x = 20,539.44