Finding the Fourth Proportional to 12,995.88, 17,922.54 and 8,518.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,995.88 : 17,922.54 = 8,518.02 : x
2. Step 2: Convert to fraction form
   12,995.88/17,922.54 = 8,518.02/x
3. Step 3: Cross multiply
   12,995.88x = 17,922.54 × 8,518.02
4. Step 4: Simplify right side
   12,995.88x = 152,664,554.17
5. Step 5: Solve for x
   x = 152,664,554.17/12,995.88
6. Step 6: Final answer
   x = 11,747.15