Finding the Fourth Proportional to 8,667.87, 11,962.88 and 4,892.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.87 : 11,962.88 = 4,892.55 : x
2. Step 2: Convert to fraction form
   8,667.87/11,962.88 = 4,892.55/x
3. Step 3: Cross multiply
   8,667.87x = 11,962.88 × 4,892.55
4. Step 4: Simplify right side
   8,667.87x = 58,528,988.54
5. Step 5: Solve for x
   x = 58,528,988.54/8,667.87
6. Step 6: Final answer
   x = 6,752.41