Finding the Fourth Proportional to 2,019.84, 2,787.60 and 1,234.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.84 : 2,787.60 = 1,234.32 : x
2. Step 2: Convert to fraction form
   2,019.84/2,787.60 = 1,234.32/x
3. Step 3: Cross multiply
   2,019.84x = 2,787.60 × 1,234.32
4. Step 4: Simplify right side
   2,019.84x = 3,440,790.43
5. Step 5: Solve for x
   x = 3,440,790.43/2,019.84
6. Step 6: Final answer
   x = 1,703.50