Finding the Fourth Proportional to 8,871.59, 12,242.61 and 4,892.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.59 : 12,242.61 = 4,892.67 : x
2. Step 2: Convert to fraction form
   8,871.59/12,242.61 = 4,892.67/x
3. Step 3: Cross multiply
   8,871.59x = 12,242.61 × 4,892.67
4. Step 4: Simplify right side
   8,871.59x = 59,899,050.67
5. Step 5: Solve for x
   x = 59,899,050.67/8,871.59
6. Step 6: Final answer
   x = 6,751.78