Finding the Fourth Proportional to 13,300.05, 18,348.91 and 7,632.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.05 : 18,348.91 = 7,632.75 : x
2. Step 2: Convert to fraction form
   13,300.05/18,348.91 = 7,632.75/x
3. Step 3: Cross multiply
   13,300.05x = 18,348.91 × 7,632.75
4. Step 4: Simplify right side
   13,300.05x = 140,052,642.80
5. Step 5: Solve for x
   x = 140,052,642.80/13,300.05
6. Step 6: Final answer
   x = 10,530.23