Finding the Fourth Proportional to 2,042.37, 3,061.82 and 931.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.37 : 3,061.82 = 931.39 : x
2. Step 2: Convert to fraction form
   2,042.37/3,061.82 = 931.39/x
3. Step 3: Cross multiply
   2,042.37x = 3,061.82 × 931.39
4. Step 4: Simplify right side
   2,042.37x = 2,851,739.04
5. Step 5: Solve for x
   x = 2,851,739.04/2,042.37
6. Step 6: Final answer
   x = 1,396.29