Finding the Fourth Proportional to 9,300.83, 12,835.13 and 5,321.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.83 : 12,835.13 = 5,321.84 : x
2. Step 2: Convert to fraction form
   9,300.83/12,835.13 = 5,321.84/x
3. Step 3: Cross multiply
   9,300.83x = 12,835.13 × 5,321.84
4. Step 4: Simplify right side
   9,300.83x = 68,306,417.45
5. Step 5: Solve for x
   x = 68,306,417.45/9,300.83
6. Step 6: Final answer
   x = 7,344.12