Finding the Fourth Proportional to 2,499.75, 3,748.41 and 856.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.75 : 3,748.41 = 856.26 : x
2. Step 2: Convert to fraction form
   2,499.75/3,748.41 = 856.26/x
3. Step 3: Cross multiply
   2,499.75x = 3,748.41 × 856.26
4. Step 4: Simplify right side
   2,499.75x = 3,209,613.55
5. Step 5: Solve for x
   x = 3,209,613.55/2,499.75
6. Step 6: Final answer
   x = 1,283.97