Finding the Fourth Proportional to 2,945.30, 4,062.81 and 1,839.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.30 : 4,062.81 = 1,839.38 : x
2. Step 2: Convert to fraction form
   2,945.30/4,062.81 = 1,839.38/x
3. Step 3: Cross multiply
   2,945.30x = 4,062.81 × 1,839.38
4. Step 4: Simplify right side
   2,945.30x = 7,473,051.46
5. Step 5: Solve for x
   x = 7,473,051.46/2,945.30
6. Step 6: Final answer
   x = 2,537.28