Finding the Fourth Proportional to 10,443.57, 14,412.15 and 5,727.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.57 : 14,412.15 = 5,727.87 : x
2. Step 2: Convert to fraction form
   10,443.57/14,412.15 = 5,727.87/x
3. Step 3: Cross multiply
   10,443.57x = 14,412.15 × 5,727.87
4. Step 4: Simplify right side
   10,443.57x = 82,550,921.62
5. Step 5: Solve for x
   x = 82,550,921.62/10,443.57
6. Step 6: Final answer
   x = 7,904.47