Finding the Fourth Proportional to 13,451.89, 18,563.33 and 7,483.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,451.89 : 18,563.33 = 7,483.43 : x
2. Step 2: Convert to fraction form
   13,451.89/18,563.33 = 7,483.43/x
3. Step 3: Cross multiply
   13,451.89x = 18,563.33 × 7,483.43
4. Step 4: Simplify right side
   13,451.89x = 138,917,380.62
5. Step 5: Solve for x
   x = 138,917,380.62/13,451.89
6. Step 6: Final answer
   x = 10,326.98