Finding the Fourth Proportional to 11,145.39, 16,717.68 and 3,354

Step by Step Solution

1. Step 1: Write the proportion equation
   11,145.39 : 16,717.68 = 3,354 : x
2. Step 2: Convert to fraction form
   11,145.39/16,717.68 = 3,354/x
3. Step 3: Cross multiply
   11,145.39x = 16,717.68 × 3,354
4. Step 4: Simplify right side
   11,145.39x = 56,071,098.72
5. Step 5: Solve for x
   x = 56,071,098.72/11,145.39
6. Step 6: Final answer
   x = 5,030.88