Finding the Fourth Proportional to 3,864.30, 5,795.78 and 1,267.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.30 : 5,795.78 = 1,267.25 : x
2. Step 2: Convert to fraction form
   3,864.30/5,795.78 = 1,267.25/x
3. Step 3: Cross multiply
   3,864.30x = 5,795.78 × 1,267.25
4. Step 4: Simplify right side
   3,864.30x = 7,344,666.89
5. Step 5: Solve for x
   x = 7,344,666.89/3,864.30
6. Step 6: Final answer
   x = 1,900.65