Finding the Fourth Proportional to 2,086.20, 2,878.74 and 1,753.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.20 : 2,878.74 = 1,753.74 : x
2. Step 2: Convert to fraction form
   2,086.20/2,878.74 = 1,753.74/x
3. Step 3: Cross multiply
   2,086.20x = 2,878.74 × 1,753.74
4. Step 4: Simplify right side
   2,086.20x = 5,048,561.49
5. Step 5: Solve for x
   x = 5,048,561.49/2,086.20
6. Step 6: Final answer
   x = 2,419.98