Finding the Fourth Proportional to 10,443.84, 14,412.52 and 5,728.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.84 : 14,412.52 = 5,728.16 : x
2. Step 2: Convert to fraction form
   10,443.84/14,412.52 = 5,728.16/x
3. Step 3: Cross multiply
   10,443.84x = 14,412.52 × 5,728.16
4. Step 4: Simplify right side
   10,443.84x = 82,557,220.56
5. Step 5: Solve for x
   x = 82,557,220.56/10,443.84
6. Step 6: Final answer
   x = 7,904.87