Finding the Fourth Proportional to 9,213.69, 12,714.86 and 5,021.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,213.69 : 12,714.86 = 5,021.94 : x
2. Step 2: Convert to fraction form
   9,213.69/12,714.86 = 5,021.94/x
3. Step 3: Cross multiply
   9,213.69x = 12,714.86 × 5,021.94
4. Step 4: Simplify right side
   9,213.69x = 63,853,276.58
5. Step 5: Solve for x
   x = 63,853,276.58/9,213.69
6. Step 6: Final answer
   x = 6,930.26