Finding the Fourth Proportional to 2,074.26, 3,106.72 and 1,251.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.26 : 3,106.72 = 1,251.50 : x
2. Step 2: Convert to fraction form
   2,074.26/3,106.72 = 1,251.50/x
3. Step 3: Cross multiply
   2,074.26x = 3,106.72 × 1,251.50
4. Step 4: Simplify right side
   2,074.26x = 3,888,060.08
5. Step 5: Solve for x
   x = 3,888,060.08/2,074.26
6. Step 6: Final answer
   x = 1,874.43