Finding the Fourth Proportional to 12,482.29, 18,723.39 and 5,085.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,482.29 : 18,723.39 = 5,085.10 : x
2. Step 2: Convert to fraction form
   12,482.29/18,723.39 = 5,085.10/x
3. Step 3: Cross multiply
   12,482.29x = 18,723.39 × 5,085.10
4. Step 4: Simplify right side
   12,482.29x = 95,210,310.49
5. Step 5: Solve for x
   x = 95,210,310.49/12,482.29
6. Step 6: Final answer
   x = 7,627.63