Finding the Fourth Proportional to 13,500.52, 18,631.59 and 7,533.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,500.52 : 18,631.59 = 7,533.10 : x
2. Step 2: Convert to fraction form
   13,500.52/18,631.59 = 7,533.10/x
3. Step 3: Cross multiply
   13,500.52x = 18,631.59 × 7,533.10
4. Step 4: Simplify right side
   13,500.52x = 140,353,630.63
5. Step 5: Solve for x
   x = 140,353,630.63/13,500.52
6. Step 6: Final answer
   x = 10,396.16