Finding the Fourth Proportional to 1,782.43, 2,461.27 and 1,339.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.43 : 2,461.27 = 1,339.57 : x
2. Step 2: Convert to fraction form
   1,782.43/2,461.27 = 1,339.57/x
3. Step 3: Cross multiply
   1,782.43x = 2,461.27 × 1,339.57
4. Step 4: Simplify right side
   1,782.43x = 3,297,043.45
5. Step 5: Solve for x
   x = 3,297,043.45/1,782.43
6. Step 6: Final answer
   x = 1,849.75