Finding the Fourth Proportional to 2,119.50, 2,923.93 and 1,234.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.50 : 2,923.93 = 1,234.78 : x
2. Step 2: Convert to fraction form
   2,119.50/2,923.93 = 1,234.78/x
3. Step 3: Cross multiply
   2,119.50x = 2,923.93 × 1,234.78
4. Step 4: Simplify right side
   2,119.50x = 3,610,404.52
5. Step 5: Solve for x
   x = 3,610,404.52/2,119.50
6. Step 6: Final answer
   x = 1,703.42