Finding the Fourth Proportional to 10,839.42, 14,958.36 and 5,871.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.42 : 14,958.36 = 5,871.42 : x
2. Step 2: Convert to fraction form
   10,839.42/14,958.36 = 5,871.42/x
3. Step 3: Cross multiply
   10,839.42x = 14,958.36 × 5,871.42
4. Step 4: Simplify right side
   10,839.42x = 87,826,814.07
5. Step 5: Solve for x
   x = 87,826,814.07/10,839.42
6. Step 6: Final answer
   x = 8,102.54