Finding the Fourth Proportional to 2,178.25, 3,006.15 and 1,234.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.25 : 3,006.15 = 1,234.27 : x
2. Step 2: Convert to fraction form
   2,178.25/3,006.15 = 1,234.27/x
3. Step 3: Cross multiply
   2,178.25x = 3,006.15 × 1,234.27
4. Step 4: Simplify right side
   2,178.25x = 3,710,393.25
5. Step 5: Solve for x
   x = 3,710,393.25/2,178.25
6. Step 6: Final answer
   x = 1,703.38