Finding the Fourth Proportional to 10,826.25, 16,239.83 and 3,430.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.25 : 16,239.83 = 3,430.54 : x
2. Step 2: Convert to fraction form
   10,826.25/16,239.83 = 3,430.54/x
3. Step 3: Cross multiply
   10,826.25x = 16,239.83 × 3,430.54
4. Step 4: Simplify right side
   10,826.25x = 55,711,386.41
5. Step 5: Solve for x
   x = 55,711,386.41/10,826.25
6. Step 6: Final answer
   x = 5,145.95