Finding the Fourth Proportional to 8,667.83, 11,961.59 and 4,688.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.83 : 11,961.59 = 4,688.94 : x
2. Step 2: Convert to fraction form
   8,667.83/11,961.59 = 4,688.94/x
3. Step 3: Cross multiply
   8,667.83x = 11,961.59 × 4,688.94
4. Step 4: Simplify right side
   8,667.83x = 56,087,154.37
5. Step 5: Solve for x
   x = 56,087,154.37/8,667.83
6. Step 6: Final answer
   x = 6,470.73