Finding the Fourth Proportional to 11,621.31, 17,446.41 and 11,568.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,621.31 : 17,446.41 = 11,568.03 : x
2. Step 2: Convert to fraction form
   11,621.31/17,446.41 = 11,568.03/x
3. Step 3: Cross multiply
   11,621.31x = 17,446.41 × 11,568.03
4. Step 4: Simplify right side
   11,621.31x = 201,820,594.27
5. Step 5: Solve for x
   x = 201,820,594.27/11,621.31
6. Step 6: Final answer
   x = 17,366.42