Finding the Fourth Proportional to 2,436.21, 3,657.38 and 2,030.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.21 : 3,657.38 = 2,030.31 : x
2. Step 2: Convert to fraction form
   2,436.21/3,657.38 = 2,030.31/x
3. Step 3: Cross multiply
   2,436.21x = 3,657.38 × 2,030.31
4. Step 4: Simplify right side
   2,436.21x = 7,425,605.04
5. Step 5: Solve for x
   x = 7,425,605.04/2,436.21
6. Step 6: Final answer
   x = 3,048.02