Finding the Fourth Proportional to 11,326.05, 16,991.82 and 4,748.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,326.05 : 16,991.82 = 4,748.58 : x
2. Step 2: Convert to fraction form
   11,326.05/16,991.82 = 4,748.58/x
3. Step 3: Cross multiply
   11,326.05x = 16,991.82 × 4,748.58
4. Step 4: Simplify right side
   11,326.05x = 80,687,016.62
5. Step 5: Solve for x
   x = 80,687,016.62/11,326.05
6. Step 6: Final answer
   x = 7,124.02