Finding the Fourth Proportional to 2,019.67, 2,787.59 and 1,234.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.67 : 2,787.59 = 1,234.17 : x
2. Step 2: Convert to fraction form
   2,019.67/2,787.59 = 1,234.17/x
3. Step 3: Cross multiply
   2,019.67x = 2,787.59 × 1,234.17
4. Step 4: Simplify right side
   2,019.67x = 3,440,363.04
5. Step 5: Solve for x
   x = 3,440,363.04/2,019.67
6. Step 6: Final answer
   x = 1,703.43