Finding the Fourth Proportional to 13,495.94, 18,624.43 and 7,528.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,495.94 : 18,624.43 = 7,528.00 : x
2. Step 2: Convert to fraction form
   13,495.94/18,624.43 = 7,528.00/x
3. Step 3: Cross multiply
   13,495.94x = 18,624.43 × 7,528.00
4. Step 4: Simplify right side
   13,495.94x = 140,204,615.92
5. Step 5: Solve for x
   x = 140,204,615.92/13,495.94
6. Step 6: Final answer
   x = 10,388.65