Finding the Fourth Proportional to 13,500.16, 18,630.16 and 7,531.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,500.16 : 18,630.16 = 7,531.47 : x
2. Step 2: Convert to fraction form
   13,500.16/18,630.16 = 7,531.47/x
3. Step 3: Cross multiply
   13,500.16x = 18,630.16 × 7,531.47
4. Step 4: Simplify right side
   13,500.16x = 140,312,491.14
5. Step 5: Solve for x
   x = 140,312,491.14/13,500.16
6. Step 6: Final answer
   x = 10,393.39