Finding the Fourth Proportional to 2,539.90, 3,799.31 and 2,384.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539.90 : 3,799.31 = 2,384.38 : x
2. Step 2: Convert to fraction form
   2,539.90/3,799.31 = 2,384.38/x
3. Step 3: Cross multiply
   2,539.90x = 3,799.31 × 2,384.38
4. Step 4: Simplify right side
   2,539.90x = 9,058,979.78
5. Step 5: Solve for x
   x = 9,058,979.78/2,539.90
6. Step 6: Final answer
   x = 3,566.67