Finding the Fourth Proportional to 3,742.52, 5,164.70 and 2,086.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.52 : 5,164.70 = 2,086.52 : x
2. Step 2: Convert to fraction form
   3,742.52/5,164.70 = 2,086.52/x
3. Step 3: Cross multiply
   3,742.52x = 5,164.70 × 2,086.52
4. Step 4: Simplify right side
   3,742.52x = 10,776,249.84
5. Step 5: Solve for x
   x = 10,776,249.84/3,742.52
6. Step 6: Final answer
   x = 2,879.41