Finding the Fourth Proportional to 2,178.27, 3,006.16 and 1,234.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.27 : 3,006.16 = 1,234.05 : x
2. Step 2: Convert to fraction form
   2,178.27/3,006.16 = 1,234.05/x
3. Step 3: Cross multiply
   2,178.27x = 3,006.16 × 1,234.05
4. Step 4: Simplify right side
   2,178.27x = 3,709,751.75
5. Step 5: Solve for x
   x = 3,709,751.75/2,178.27
6. Step 6: Final answer
   x = 1,703.07