Finding the Fourth Proportional to 11,715.48, 17,577.27 and 7,327.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,715.48 : 17,577.27 = 7,327.71 : x
2. Step 2: Convert to fraction form
   11,715.48/17,577.27 = 7,327.71/x
3. Step 3: Cross multiply
   11,715.48x = 17,577.27 × 7,327.71
4. Step 4: Simplify right side
   11,715.48x = 128,801,137.15
5. Step 5: Solve for x
   x = 128,801,137.15/11,715.48
6. Step 6: Final answer
   x = 10,994.10