Finding the Fourth Proportional to 3,915.32, 5,867.50 and 2,814.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.32 : 5,867.50 = 2,814.52 : x
2. Step 2: Convert to fraction form
   3,915.32/5,867.50 = 2,814.52/x
3. Step 3: Cross multiply
   3,915.32x = 5,867.50 × 2,814.52
4. Step 4: Simplify right side
   3,915.32x = 16,514,196.10
5. Step 5: Solve for x
   x = 16,514,196.10/3,915.32
6. Step 6: Final answer
   x = 4,217.84