Finding the Fourth Proportional to 10,810.83, 16,215.30 and 3,414.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.83 : 16,215.30 = 3,414.99 : x
2. Step 2: Convert to fraction form
   10,810.83/16,215.30 = 3,414.99/x
3. Step 3: Cross multiply
   10,810.83x = 16,215.30 × 3,414.99
4. Step 4: Simplify right side
   10,810.83x = 55,375,087.35
5. Step 5: Solve for x
   x = 55,375,087.35/10,810.83
6. Step 6: Final answer
   x = 5,122.19