Finding the Fourth Proportional to 12,482.35, 18,718.38 and 5,081.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,482.35 : 18,718.38 = 5,081.80 : x
2. Step 2: Convert to fraction form
   12,482.35/18,718.38 = 5,081.80/x
3. Step 3: Cross multiply
   12,482.35x = 18,718.38 × 5,081.80
4. Step 4: Simplify right side
   12,482.35x = 95,123,063.48
5. Step 5: Solve for x
   x = 95,123,063.48/12,482.35
6. Step 6: Final answer
   x = 7,620.61