Finding the Fourth Proportional to 8,498.52, 12,738.67 and 4,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498.52 : 12,738.67 = 4,109.94 : x
2. Step 2: Convert to fraction form
   8,498.52/12,738.67 = 4,109.94/x
3. Step 3: Cross multiply
   8,498.52x = 12,738.67 × 4,109.94
4. Step 4: Simplify right side
   8,498.52x = 52,355,159.10
5. Step 5: Solve for x
   x = 52,355,159.10/8,498.52
6. Step 6: Final answer
   x = 6,160.50