Finding the Fourth Proportional to 11,448.16, 17,124.78 and 10,748.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,448.16 : 17,124.78 = 10,748.32 : x
2. Step 2: Convert to fraction form
   11,448.16/17,124.78 = 10,748.32/x
3. Step 3: Cross multiply
   11,448.16x = 17,124.78 × 10,748.32
4. Step 4: Simplify right side
   11,448.16x = 184,062,615.37
5. Step 5: Solve for x
   x = 184,062,615.37/11,448.16
6. Step 6: Final answer
   x = 16,077.92