Finding the Fourth Proportional to 9,321.83, 12,850.55 and 7,328.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,321.83 : 12,850.55 = 7,328.93 : x
2. Step 2: Convert to fraction form
   9,321.83/12,850.55 = 7,328.93/x
3. Step 3: Cross multiply
   9,321.83x = 12,850.55 × 7,328.93
4. Step 4: Simplify right side
   9,321.83x = 94,180,780.28
5. Step 5: Solve for x
   x = 94,180,780.28/9,321.83
6. Step 6: Final answer
   x = 10,103.25