Finding the Fourth Proportional to 13,495.98, 18,624.49 and 7,528.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,495.98 : 18,624.49 = 7,528.04 : x
2. Step 2: Convert to fraction form
   13,495.98/18,624.49 = 7,528.04/x
3. Step 3: Cross multiply
   13,495.98x = 18,624.49 × 7,528.04
4. Step 4: Simplify right side
   13,495.98x = 140,205,884.77
5. Step 5: Solve for x
   x = 140,205,884.77/13,495.98
6. Step 6: Final answer
   x = 10,388.71