Finding the Fourth Proportional to 9,213.57, 12,714.71 and 5,021.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,213.57 : 12,714.71 = 5,021.82 : x
2. Step 2: Convert to fraction form
   9,213.57/12,714.71 = 5,021.82/x
3. Step 3: Cross multiply
   9,213.57x = 12,714.71 × 5,021.82
4. Step 4: Simplify right side
   9,213.57x = 63,850,959.86
5. Step 5: Solve for x
   x = 63,850,959.86/9,213.57
6. Step 6: Final answer
   x = 6,930.10