Finding the Fourth Proportional to 10,922.19, 16,379.12 and 3,900.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.19 : 16,379.12 = 3,900.89 : x
2. Step 2: Convert to fraction form
   10,922.19/16,379.12 = 3,900.89/x
3. Step 3: Cross multiply
   10,922.19x = 16,379.12 × 3,900.89
4. Step 4: Simplify right side
   10,922.19x = 63,893,145.42
5. Step 5: Solve for x
   x = 63,893,145.42/10,922.19
6. Step 6: Final answer
   x = 5,849.85