Finding the Fourth Proportional to 2,085.62, 2,877.33 and 1,339.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.62 : 2,877.33 = 1,339.47 : x
2. Step 2: Convert to fraction form
   2,085.62/2,877.33 = 1,339.47/x
3. Step 3: Cross multiply
   2,085.62x = 2,877.33 × 1,339.47
4. Step 4: Simplify right side
   2,085.62x = 3,854,097.22
5. Step 5: Solve for x
   x = 3,854,097.22/2,085.62
6. Step 6: Final answer
   x = 1,847.94