Finding the Fourth Proportional to 8,443.95, 12,667.23 and 3,765.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.95 : 12,667.23 = 3,765.57 : x
2. Step 2: Convert to fraction form
   8,443.95/12,667.23 = 3,765.57/x
3. Step 3: Cross multiply
   8,443.95x = 12,667.23 × 3,765.57
4. Step 4: Simplify right side
   8,443.95x = 47,699,341.27
5. Step 5: Solve for x
   x = 47,699,341.27/8,443.95
6. Step 6: Final answer
   x = 5,648.94