Finding the Fourth Proportional to 2,784.69, 4,173.89 and 1,140.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.69 : 4,173.89 = 1,140.34 : x
2. Step 2: Convert to fraction form
   2,784.69/4,173.89 = 1,140.34/x
3. Step 3: Cross multiply
   2,784.69x = 4,173.89 × 1,140.34
4. Step 4: Simplify right side
   2,784.69x = 4,759,653.72
5. Step 5: Solve for x
   x = 4,759,653.72/2,784.69
6. Step 6: Final answer
   x = 1,709.22