Finding the Fourth Proportional to 2,234.89, 3,083.70 and 1,240.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.89 : 3,083.70 = 1,240.03 : x
2. Step 2: Convert to fraction form
   2,234.89/3,083.70 = 1,240.03/x
3. Step 3: Cross multiply
   2,234.89x = 3,083.70 × 1,240.03
4. Step 4: Simplify right side
   2,234.89x = 3,823,880.51
5. Step 5: Solve for x
   x = 3,823,880.51/2,234.89
6. Step 6: Final answer
   x = 1,710.99