Finding the Fourth Proportional to 13,460.54, 18,575.72 and 7,411.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,460.54 : 18,575.72 = 7,411.49 : x
2. Step 2: Convert to fraction form
   13,460.54/18,575.72 = 7,411.49/x
3. Step 3: Cross multiply
   13,460.54x = 18,575.72 × 7,411.49
4. Step 4: Simplify right side
   13,460.54x = 137,673,633.09
5. Step 5: Solve for x
   x = 137,673,633.09/13,460.54
6. Step 6: Final answer
   x = 10,227.95