Finding the Fourth Proportional to 3,867.72, 5,799.38 and 1,234.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.72 : 5,799.38 = 1,234.71 : x
2. Step 2: Convert to fraction form
   3,867.72/5,799.38 = 1,234.71/x
3. Step 3: Cross multiply
   3,867.72x = 5,799.38 × 1,234.71
4. Step 4: Simplify right side
   3,867.72x = 7,160,546.31
5. Step 5: Solve for x
   x = 7,160,546.31/3,867.72
6. Step 6: Final answer
   x = 1,851.36