Finding the Fourth Proportional to 7,839.82, 11,760.86 and 2,575.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,839.82 : 11,760.86 = 2,575.25 : x
2. Step 2: Convert to fraction form
   7,839.82/11,760.86 = 2,575.25/x
3. Step 3: Cross multiply
   7,839.82x = 11,760.86 × 2,575.25
4. Step 4: Simplify right side
   7,839.82x = 30,287,083.03
5. Step 5: Solve for x
   x = 30,287,083.03/7,839.82
6. Step 6: Final answer
   x = 3,863.24