Finding the Fourth Proportional to 13,050.90, 17,997 and 11,168.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.90 : 17,997 = 11,168.76 : x
2. Step 2: Convert to fraction form
   13,050.90/17,997 = 11,168.76/x
3. Step 3: Cross multiply
   13,050.90x = 17,997 × 11,168.76
4. Step 4: Simplify right side
   13,050.90x = 201,004,173.72
5. Step 5: Solve for x
   x = 201,004,173.72/13,050.90
6. Step 6: Final answer
   x = 15,401.56