Finding the Fourth Proportional to 2,125.60, 3,174.72 and 1,834

Step by Step Solution

1. Step 1: Write the proportion equation
   2,125.60 : 3,174.72 = 1,834 : x
2. Step 2: Convert to fraction form
   2,125.60/3,174.72 = 1,834/x
3. Step 3: Cross multiply
   2,125.60x = 3,174.72 × 1,834
4. Step 4: Simplify right side
   2,125.60x = 5,822,436.48
5. Step 5: Solve for x
   x = 5,822,436.48/2,125.60
6. Step 6: Final answer
   x = 2,739.20