Finding the Fourth Proportional to 13,498.45, 18,627.81 and 7,530.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.45 : 18,627.81 = 7,530.11 : x
2. Step 2: Convert to fraction form
   13,498.45/18,627.81 = 7,530.11/x
3. Step 3: Cross multiply
   13,498.45x = 18,627.81 × 7,530.11
4. Step 4: Simplify right side
   13,498.45x = 140,269,543.39
5. Step 5: Solve for x
   x = 140,269,543.39/13,498.45
6. Step 6: Final answer
   x = 10,391.53