Finding the Fourth Proportional to 10,933.65, 16,394.54 and 5,085.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.65 : 16,394.54 = 5,085.09 : x
2. Step 2: Convert to fraction form
   10,933.65/16,394.54 = 5,085.09/x
3. Step 3: Cross multiply
   10,933.65x = 16,394.54 × 5,085.09
4. Step 4: Simplify right side
   10,933.65x = 83,367,685.98
5. Step 5: Solve for x
   x = 83,367,685.98/10,933.65
6. Step 6: Final answer
   x = 7,624.87