Finding the Fourth Proportional to 13,518.05, 18,653.82 and 7,549.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,518.05 : 18,653.82 = 7,549.37 : x
2. Step 2: Convert to fraction form
   13,518.05/18,653.82 = 7,549.37/x
3. Step 3: Cross multiply
   13,518.05x = 18,653.82 × 7,549.37
4. Step 4: Simplify right side
   13,518.05x = 140,824,495.82
5. Step 5: Solve for x
   x = 140,824,495.82/13,518.05
6. Step 6: Final answer
   x = 10,417.52