Finding the Fourth Proportional to 13,482.84, 18,606.78 and 7,514.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,482.84 : 18,606.78 = 7,514.28 : x
2. Step 2: Convert to fraction form
   13,482.84/18,606.78 = 7,514.28/x
3. Step 3: Cross multiply
   13,482.84x = 18,606.78 × 7,514.28
4. Step 4: Simplify right side
   13,482.84x = 139,816,554.82
5. Step 5: Solve for x
   x = 139,816,554.82/13,482.84
6. Step 6: Final answer
   x = 10,369.96