Finding the Fourth Proportional to 11,572.05, 17,358.89 and 5,727.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,572.05 : 17,358.89 = 5,727.09 : x
2. Step 2: Convert to fraction form
   11,572.05/17,358.89 = 5,727.09/x
3. Step 3: Cross multiply
   11,572.05x = 17,358.89 × 5,727.09
4. Step 4: Simplify right side
   11,572.05x = 99,415,994.01
5. Step 5: Solve for x
   x = 99,415,994.01/11,572.05
6. Step 6: Final answer
   x = 8,591.04