Finding the Fourth Proportional to 12,443.82, 18,667.56 and 3,677.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,443.82 : 18,667.56 = 3,677.60 : x
2. Step 2: Convert to fraction form
   12,443.82/18,667.56 = 3,677.60/x
3. Step 3: Cross multiply
   12,443.82x = 18,667.56 × 3,677.60
4. Step 4: Simplify right side
   12,443.82x = 68,651,725.32
5. Step 5: Solve for x
   x = 68,651,725.32/12,443.82
6. Step 6: Final answer
   x = 5,516.93