Finding the Fourth Proportional to 13,499.75, 18,627.94 and 7,531.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.75 : 18,627.94 = 7,531.67 : x
2. Step 2: Convert to fraction form
   13,499.75/18,627.94 = 7,531.67/x
3. Step 3: Cross multiply
   13,499.75x = 18,627.94 × 7,531.67
4. Step 4: Simplify right side
   13,499.75x = 140,299,496.86
5. Step 5: Solve for x
   x = 140,299,496.86/13,499.75
6. Step 6: Final answer
   x = 10,392.75