Finding the Fourth Proportional to 11,448.32, 17,171.52 and 7,774.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,448.32 : 17,171.52 = 7,774.16 : x
2. Step 2: Convert to fraction form
   11,448.32/17,171.52 = 7,774.16/x
3. Step 3: Cross multiply
   11,448.32x = 17,171.52 × 7,774.16
4. Step 4: Simplify right side
   11,448.32x = 133,494,143.92
5. Step 5: Solve for x
   x = 133,494,143.92/11,448.32
6. Step 6: Final answer
   x = 11,660.59