Finding the Fourth Proportional to 12,499.94, 18,729.14 and 8,794.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.94 : 18,729.14 = 8,794.38 : x
2. Step 2: Convert to fraction form
   12,499.94/18,729.14 = 8,794.38/x
3. Step 3: Cross multiply
   12,499.94x = 18,729.14 × 8,794.38
4. Step 4: Simplify right side
   12,499.94x = 164,711,196.22
5. Step 5: Solve for x
   x = 164,711,196.22/12,499.94
6. Step 6: Final answer
   x = 13,176.96