Finding the Fourth Proportional to 2,085.95, 2,872.06 and 1,770.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.95 : 2,872.06 = 1,770.59 : x
2. Step 2: Convert to fraction form
   2,085.95/2,872.06 = 1,770.59/x
3. Step 3: Cross multiply
   2,085.95x = 2,872.06 × 1,770.59
4. Step 4: Simplify right side
   2,085.95x = 5,085,243.47
5. Step 5: Solve for x
   x = 5,085,243.47/2,085.95
6. Step 6: Final answer
   x = 2,437.85