Finding the Fourth Proportional to 13,500.63, 18,630.86 and 7,532.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,500.63 : 18,630.86 = 7,532.28 : x
2. Step 2: Convert to fraction form
   13,500.63/18,630.86 = 7,532.28/x
3. Step 3: Cross multiply
   13,500.63x = 18,630.86 × 7,532.28
4. Step 4: Simplify right side
   13,500.63x = 140,332,816.50
5. Step 5: Solve for x
   x = 140,332,816.50/13,500.63
6. Step 6: Final answer
   x = 10,394.54