Finding the Fourth Proportional to 2,488.10, 3,729.72 and 1,251.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.10 : 3,729.72 = 1,251.80 : x
2. Step 2: Convert to fraction form
   2,488.10/3,729.72 = 1,251.80/x
3. Step 3: Cross multiply
   2,488.10x = 3,729.72 × 1,251.80
4. Step 4: Simplify right side
   2,488.10x = 4,668,863.50
5. Step 5: Solve for x
   x = 4,668,863.50/2,488.10
6. Step 6: Final answer
   x = 1,876.48