Finding the Fourth Proportional to 2,179.27, 3,006.90 and 1,234.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.27 : 3,006.90 = 1,234.98 : x
2. Step 2: Convert to fraction form
   2,179.27/3,006.90 = 1,234.98/x
3. Step 3: Cross multiply
   2,179.27x = 3,006.90 × 1,234.98
4. Step 4: Simplify right side
   2,179.27x = 3,713,454.72
5. Step 5: Solve for x
   x = 3,713,454.72/2,179.27
6. Step 6: Final answer
   x = 1,703.99