Finding the Fourth Proportional to 7,988.41, 12,025.75 and 7,184.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,988.41 : 12,025.75 = 7,184.69 : x
2. Step 2: Convert to fraction form
   7,988.41/12,025.75 = 7,184.69/x
3. Step 3: Cross multiply
   7,988.41x = 12,025.75 × 7,184.69
4. Step 4: Simplify right side
   7,988.41x = 86,401,285.77
5. Step 5: Solve for x
   x = 86,401,285.77/7,988.41
6. Step 6: Final answer
   x = 10,815.83