Finding the Fourth Proportional to 2,307.69, 3,458.79 and 1,331.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.69 : 3,458.79 = 1,331.73 : x
2. Step 2: Convert to fraction form
   2,307.69/3,458.79 = 1,331.73/x
3. Step 3: Cross multiply
   2,307.69x = 3,458.79 × 1,331.73
4. Step 4: Simplify right side
   2,307.69x = 4,606,174.41
5. Step 5: Solve for x
   x = 4,606,174.41/2,307.69
6. Step 6: Final answer
   x = 1,996.01