Finding the Fourth Proportional to 12,097.89, 18,137.84 and 5,079.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,097.89 : 18,137.84 = 5,079.96 : x
2. Step 2: Convert to fraction form
   12,097.89/18,137.84 = 5,079.96/x
3. Step 3: Cross multiply
   12,097.89x = 18,137.84 × 5,079.96
4. Step 4: Simplify right side
   12,097.89x = 92,139,476.29
5. Step 5: Solve for x
   x = 92,139,476.29/12,097.89
6. Step 6: Final answer
   x = 7,616.16