Finding the Fourth Proportional to 3,429.05, 5,142.52 and 1,784.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.05 : 5,142.52 = 1,784.70 : x
2. Step 2: Convert to fraction form
   3,429.05/5,142.52 = 1,784.70/x
3. Step 3: Cross multiply
   3,429.05x = 5,142.52 × 1,784.70
4. Step 4: Simplify right side
   3,429.05x = 9,177,846.52
5. Step 5: Solve for x
   x = 9,177,846.52/3,429.05
6. Step 6: Final answer
   x = 2,676.50