Finding the Fourth Proportional to 2,229.45, 3,076.57 and 1,234.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.45 : 3,076.57 = 1,234.77 : x
2. Step 2: Convert to fraction form
   2,229.45/3,076.57 = 1,234.77/x
3. Step 3: Cross multiply
   2,229.45x = 3,076.57 × 1,234.77
4. Step 4: Simplify right side
   2,229.45x = 3,798,856.34
5. Step 5: Solve for x
   x = 3,798,856.34/2,229.45
6. Step 6: Final answer
   x = 1,703.94