Finding the Fourth Proportional to 22,730, 31,367.88 and 12,794

Step by Step Solution

1. Step 1: Write the proportion equation
   22,730 : 31,367.88 = 12,794 : x
2. Step 2: Convert to fraction form
   22,730/31,367.88 = 12,794/x
3. Step 3: Cross multiply
   22,730x = 31,367.88 × 12,794
4. Step 4: Simplify right side
   22,730x = 401,320,656.72
5. Step 5: Solve for x
   x = 401,320,656.72/22,730
6. Step 6: Final answer
   x = 17,655.99