Finding the Fourth Proportional to 12,672.48, 19,003.29 and 4,353.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.48 : 19,003.29 = 4,353.33 : x
2. Step 2: Convert to fraction form
   12,672.48/19,003.29 = 4,353.33/x
3. Step 3: Cross multiply
   12,672.48x = 19,003.29 × 4,353.33
4. Step 4: Simplify right side
   12,672.48x = 82,727,647.39
5. Step 5: Solve for x
   x = 82,727,647.39/12,672.48
6. Step 6: Final answer
   x = 6,528.13