Finding the Fourth Proportional to 13,492.45, 18,619.69 and 7,524.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,492.45 : 18,619.69 = 7,524.51 : x
2. Step 2: Convert to fraction form
   13,492.45/18,619.69 = 7,524.51/x
3. Step 3: Cross multiply
   13,492.45x = 18,619.69 × 7,524.51
4. Step 4: Simplify right side
   13,492.45x = 140,103,983.18
5. Step 5: Solve for x
   x = 140,103,983.18/13,492.45
6. Step 6: Final answer
   x = 10,383.88