Finding the Fourth Proportional to 9,323.10, 12,864.96 and 5,343.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,323.10 : 12,864.96 = 5,343.30 : x
2. Step 2: Convert to fraction form
   9,323.10/12,864.96 = 5,343.30/x
3. Step 3: Cross multiply
   9,323.10x = 12,864.96 × 5,343.30
4. Step 4: Simplify right side
   9,323.10x = 68,741,340.77
5. Step 5: Solve for x
   x = 68,741,340.77/9,323.10
6. Step 6: Final answer
   x = 7,373.23