Finding the Fourth Proportional to 12,498.50, 18,713.70 and 8,795.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.50 : 18,713.70 = 8,795.18 : x
2. Step 2: Convert to fraction form
   12,498.50/18,713.70 = 8,795.18/x
3. Step 3: Cross multiply
   12,498.50x = 18,713.70 × 8,795.18
4. Step 4: Simplify right side
   12,498.50x = 164,590,266.40
5. Step 5: Solve for x
   x = 164,590,266.40/12,498.50
6. Step 6: Final answer
   x = 13,168.81