Finding the Fourth Proportional to 10,838.35, 16,246.34 and 5,284.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.35 : 16,246.34 = 5,284.83 : x
2. Step 2: Convert to fraction form
   10,838.35/16,246.34 = 5,284.83/x
3. Step 3: Cross multiply
   10,838.35x = 16,246.34 × 5,284.83
4. Step 4: Simplify right side
   10,838.35x = 85,859,145.02
5. Step 5: Solve for x
   x = 85,859,145.02/10,838.35
6. Step 6: Final answer
   x = 7,921.79