Finding the Fourth Proportional to 12,393.27, 18,595.71 and 5,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.27 : 18,595.71 = 5,818.50 : x
2. Step 2: Convert to fraction form
   12,393.27/18,595.71 = 5,818.50/x
3. Step 3: Cross multiply
   12,393.27x = 18,595.71 × 5,818.50
4. Step 4: Simplify right side
   12,393.27x = 108,199,138.64
5. Step 5: Solve for x
   x = 108,199,138.64/12,393.27
6. Step 6: Final answer
   x = 8,730.48