Finding the Fourth Proportional to 11,825.58, 17,740.96 and 3,930.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,825.58 : 17,740.96 = 3,930.51 : x
2. Step 2: Convert to fraction form
   11,825.58/17,740.96 = 3,930.51/x
3. Step 3: Cross multiply
   11,825.58x = 17,740.96 × 3,930.51
4. Step 4: Simplify right side
   11,825.58x = 69,731,020.69
5. Step 5: Solve for x
   x = 69,731,020.69/11,825.58
6. Step 6: Final answer
   x = 5,896.63