Finding the Fourth Proportional to 11,852.52, 17,868.72 and 11,217.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,852.52 : 17,868.72 = 11,217.48 : x
2. Step 2: Convert to fraction form
   11,852.52/17,868.72 = 11,217.48/x
3. Step 3: Cross multiply
   11,852.52x = 17,868.72 × 11,217.48
4. Step 4: Simplify right side
   11,852.52x = 200,442,009.23
5. Step 5: Solve for x
   x = 200,442,009.23/11,852.52
6. Step 6: Final answer
   x = 16,911.34