Finding the Fourth Proportional to 13,411.34, 18,506.07 and 7,441.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,411.34 : 18,506.07 = 7,441.58 : x
2. Step 2: Convert to fraction form
   13,411.34/18,506.07 = 7,441.58/x
3. Step 3: Cross multiply
   13,411.34x = 18,506.07 × 7,441.58
4. Step 4: Simplify right side
   13,411.34x = 137,714,400.39
5. Step 5: Solve for x
   x = 137,714,400.39/13,411.34
6. Step 6: Final answer
   x = 10,268.50