Finding the Fourth Proportional to 10,853.75, 16,282.74 and 4,613.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,853.75 : 16,282.74 = 4,613.69 : x
2. Step 2: Convert to fraction form
   10,853.75/16,282.74 = 4,613.69/x
3. Step 3: Cross multiply
   10,853.75x = 16,282.74 × 4,613.69
4. Step 4: Simplify right side
   10,853.75x = 75,123,514.71
5. Step 5: Solve for x
   x = 75,123,514.71/10,853.75
6. Step 6: Final answer
   x = 6,921.43