Finding the Fourth Proportional to 2,500.76, 3,752.07 and 1,251.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.76 : 3,752.07 = 1,251.91 : x
2. Step 2: Convert to fraction form
   2,500.76/3,752.07 = 1,251.91/x
3. Step 3: Cross multiply
   2,500.76x = 3,752.07 × 1,251.91
4. Step 4: Simplify right side
   2,500.76x = 4,697,253.95
5. Step 5: Solve for x
   x = 4,697,253.95/2,500.76
6. Step 6: Final answer
   x = 1,878.33