Finding the Fourth Proportional to 10,948.77, 16,421.49 and 3,553.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.77 : 16,421.49 = 3,553.83 : x
2. Step 2: Convert to fraction form
   10,948.77/16,421.49 = 3,553.83/x
3. Step 3: Cross multiply
   10,948.77x = 16,421.49 × 3,553.83
4. Step 4: Simplify right side
   10,948.77x = 58,359,183.81
5. Step 5: Solve for x
   x = 58,359,183.81/10,948.77
6. Step 6: Final answer
   x = 5,330.20