Finding the Fourth Proportional to 12,483.72, 17,227.76 and 6,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.72 : 17,227.76 = 6,894.72 : x
2. Step 2: Convert to fraction form
   12,483.72/17,227.76 = 6,894.72/x
3. Step 3: Cross multiply
   12,483.72x = 17,227.76 × 6,894.72
4. Step 4: Simplify right side
   12,483.72x = 118,780,546.95
5. Step 5: Solve for x
   x = 118,780,546.95/12,483.72
6. Step 6: Final answer
   x = 9,514.84