Finding the Fourth Proportional to 8,492.08, 12,741.72 and 4,112.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,492.08 : 12,741.72 = 4,112.80 : x
2. Step 2: Convert to fraction form
   8,492.08/12,741.72 = 4,112.80/x
3. Step 3: Cross multiply
   8,492.08x = 12,741.72 × 4,112.80
4. Step 4: Simplify right side
   8,492.08x = 52,404,146.02
5. Step 5: Solve for x
   x = 52,404,146.02/8,492.08
6. Step 6: Final answer
   x = 6,170.94