Finding the Fourth Proportional to 12,046.96, 18,074.76 and 5,122

Step by Step Solution

1. Step 1: Write the proportion equation
   12,046.96 : 18,074.76 = 5,122 : x
2. Step 2: Convert to fraction form
   12,046.96/18,074.76 = 5,122/x
3. Step 3: Cross multiply
   12,046.96x = 18,074.76 × 5,122
4. Step 4: Simplify right side
   12,046.96x = 92,578,920.72
5. Step 5: Solve for x
   x = 92,578,920.72/12,046.96
6. Step 6: Final answer
   x = 7,684.84