Finding the Fourth Proportional to 2,500.44, 3,748.05 and 856.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.44 : 3,748.05 = 856.41 : x
2. Step 2: Convert to fraction form
   2,500.44/3,748.05 = 856.41/x
3. Step 3: Cross multiply
   2,500.44x = 3,748.05 × 856.41
4. Step 4: Simplify right side
   2,500.44x = 3,209,867.50
5. Step 5: Solve for x
   x = 3,209,867.50/2,500.44
6. Step 6: Final answer
   x = 1,283.72