Finding the Fourth Proportional to 3,797.34, 5,238.86 and 2,805

Step by Step Solution

1. Step 1: Write the proportion equation
   3,797.34 : 5,238.86 = 2,805 : x
2. Step 2: Convert to fraction form
   3,797.34/5,238.86 = 2,805/x
3. Step 3: Cross multiply
   3,797.34x = 5,238.86 × 2,805
4. Step 4: Simplify right side
   3,797.34x = 14,695,002.30
5. Step 5: Solve for x
   x = 14,695,002.30/3,797.34
6. Step 6: Final answer
   x = 3,869.81