Finding the Fourth Proportional to 3,860, 5,323.72 and 2,496.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860 : 5,323.72 = 2,496.80 : x
2. Step 2: Convert to fraction form
   3,860/5,323.72 = 2,496.80/x
3. Step 3: Cross multiply
   3,860x = 5,323.72 × 2,496.80
4. Step 4: Simplify right side
   3,860x = 13,292,264.10
5. Step 5: Solve for x
   x = 13,292,264.10/3,860
6. Step 6: Final answer
   x = 3,443.59