Finding the Fourth Proportional to 11,499.11, 17,238.41 and 4,102.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.11 : 17,238.41 = 4,102.49 : x
2. Step 2: Convert to fraction form
   11,499.11/17,238.41 = 4,102.49/x
3. Step 3: Cross multiply
   11,499.11x = 17,238.41 × 4,102.49
4. Step 4: Simplify right side
   11,499.11x = 70,720,404.64
5. Step 5: Solve for x
   x = 70,720,404.64/11,499.11
6. Step 6: Final answer
   x = 6,150.08