Finding the Fourth Proportional to 8,871.44, 12,242.50 and 4,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871.44 : 12,242.50 = 4,892.72 : x
2. Step 2: Convert to fraction form
   8,871.44/12,242.50 = 4,892.72/x
3. Step 3: Cross multiply
   8,871.44x = 12,242.50 × 4,892.72
4. Step 4: Simplify right side
   8,871.44x = 59,899,124.60
5. Step 5: Solve for x
   x = 59,899,124.60/8,871.44
6. Step 6: Final answer
   x = 6,751.91