Finding the Fourth Proportional to 13,482.25, 18,605.54 and 7,513.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,482.25 : 18,605.54 = 7,513.76 : x
2. Step 2: Convert to fraction form
   13,482.25/18,605.54 = 7,513.76/x
3. Step 3: Cross multiply
   13,482.25x = 18,605.54 × 7,513.76
4. Step 4: Simplify right side
   13,482.25x = 139,797,627.53
5. Step 5: Solve for x
   x = 139,797,627.53/13,482.25
6. Step 6: Final answer
   x = 10,369.02