Finding the Fourth Proportional to 8,667.68, 11,961.38 and 4,688.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.68 : 11,961.38 = 4,688.82 : x
2. Step 2: Convert to fraction form
   8,667.68/11,961.38 = 4,688.82/x
3. Step 3: Cross multiply
   8,667.68x = 11,961.38 × 4,688.82
4. Step 4: Simplify right side
   8,667.68x = 56,084,757.77
5. Step 5: Solve for x
   x = 56,084,757.77/8,667.68
6. Step 6: Final answer
   x = 6,470.56