Finding the Fourth Proportional to 2,085.58, 3,126.99 and 1,250.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.58 : 3,126.99 = 1,250.76 : x
2. Step 2: Convert to fraction form
   2,085.58/3,126.99 = 1,250.76/x
3. Step 3: Cross multiply
   2,085.58x = 3,126.99 × 1,250.76
4. Step 4: Simplify right side
   2,085.58x = 3,911,105.80
5. Step 5: Solve for x
   x = 3,911,105.80/2,085.58
6. Step 6: Final answer
   x = 1,875.31