Finding the Fourth Proportional to 2,074.86, 2,868.72 and 1,983.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.86 : 2,868.72 = 1,983.06 : x
2. Step 2: Convert to fraction form
   2,074.86/2,868.72 = 1,983.06/x
3. Step 3: Cross multiply
   2,074.86x = 2,868.72 × 1,983.06
4. Step 4: Simplify right side
   2,074.86x = 5,688,843.88
5. Step 5: Solve for x
   x = 5,688,843.88/2,074.86
6. Step 6: Final answer
   x = 2,741.80