Finding the Fourth Proportional to 11,131.35, 16,705.49 and 4,118.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.35 : 16,705.49 = 4,118.00 : x
2. Step 2: Convert to fraction form
   11,131.35/16,705.49 = 4,118.00/x
3. Step 3: Cross multiply
   11,131.35x = 16,705.49 × 4,118.00
4. Step 4: Simplify right side
   11,131.35x = 68,793,103.70
5. Step 5: Solve for x
   x = 68,793,103.70/11,131.35
6. Step 6: Final answer
   x = 6,180.12