Finding the Fourth Proportional to 12,627.32, 18,934.27 and 3,859.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.32 : 18,934.27 = 3,859.88 : x
2. Step 2: Convert to fraction form
   12,627.32/18,934.27 = 3,859.88/x
3. Step 3: Cross multiply
   12,627.32x = 18,934.27 × 3,859.88
4. Step 4: Simplify right side
   12,627.32x = 73,083,915.42
5. Step 5: Solve for x
   x = 73,083,915.42/12,627.32
6. Step 6: Final answer
   x = 5,787.76