Finding the Fourth Proportional to 9,321.18, 12,865.94 and 7,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,321.18 : 12,865.94 = 7,445.82 : x
2. Step 2: Convert to fraction form
   9,321.18/12,865.94 = 7,445.82/x
3. Step 3: Cross multiply
   9,321.18x = 12,865.94 × 7,445.82
4. Step 4: Simplify right side
   9,321.18x = 95,797,512.31
5. Step 5: Solve for x
   x = 95,797,512.31/9,321.18
6. Step 6: Final answer
   x = 10,277.41