Finding the Fourth Proportional to 11,475.05, 17,209.41 and 3,153.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,475.05 : 17,209.41 = 3,153.09 : x
2. Step 2: Convert to fraction form
   11,475.05/17,209.41 = 3,153.09/x
3. Step 3: Cross multiply
   11,475.05x = 17,209.41 × 3,153.09
4. Step 4: Simplify right side
   11,475.05x = 54,262,818.58
5. Step 5: Solve for x
   x = 54,262,818.58/11,475.05
6. Step 6: Final answer
   x = 4,728.77