Finding the Fourth Proportional to 10,920.50, 16,383.48 and 3,524.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,920.50 : 16,383.48 = 3,524.79 : x
2. Step 2: Convert to fraction form
   10,920.50/16,383.48 = 3,524.79/x
3. Step 3: Cross multiply
   10,920.50x = 16,383.48 × 3,524.79
4. Step 4: Simplify right side
   10,920.50x = 57,748,326.47
5. Step 5: Solve for x
   x = 57,748,326.47/10,920.50
6. Step 6: Final answer
   x = 5,288.07