Finding the Fourth Proportional to 9,323.32, 12,864.72 and 5,343.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,323.32 : 12,864.72 = 5,343.88 : x
2. Step 2: Convert to fraction form
   9,323.32/12,864.72 = 5,343.88/x
3. Step 3: Cross multiply
   9,323.32x = 12,864.72 × 5,343.88
4. Step 4: Simplify right side
   9,323.32x = 68,747,519.91
5. Step 5: Solve for x
   x = 68,747,519.91/9,323.32
6. Step 6: Final answer
   x = 7,373.72