Finding the Fourth Proportional to 2,784.94, 4,173.77 and 1,140.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.94 : 4,173.77 = 1,140.59 : x
2. Step 2: Convert to fraction form
   2,784.94/4,173.77 = 1,140.59/x
3. Step 3: Cross multiply
   2,784.94x = 4,173.77 × 1,140.59
4. Step 4: Simplify right side
   2,784.94x = 4,760,560.32
5. Step 5: Solve for x
   x = 4,760,560.32/2,784.94
6. Step 6: Final answer
   x = 1,709.39