Finding the Fourth Proportional to 10,838.42, 16,259.65 and 3,440.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.42 : 16,259.65 = 3,440.89 : x
2. Step 2: Convert to fraction form
   10,838.42/16,259.65 = 3,440.89/x
3. Step 3: Cross multiply
   10,838.42x = 16,259.65 × 3,440.89
4. Step 4: Simplify right side
   10,838.42x = 55,947,667.09
5. Step 5: Solve for x
   x = 55,947,667.09/10,838.42
6. Step 6: Final answer
   x = 5,161.98