Finding the Fourth Proportional to 11,588.72, 17,387.43 and 5,351.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,588.72 : 17,387.43 = 5,351.72 : x
2. Step 2: Convert to fraction form
   11,588.72/17,387.43 = 5,351.72/x
3. Step 3: Cross multiply
   11,588.72x = 17,387.43 × 5,351.72
4. Step 4: Simplify right side
   11,588.72x = 93,052,656.88
5. Step 5: Solve for x
   x = 93,052,656.88/11,588.72
6. Step 6: Final answer
   x = 8,029.59