Finding the Fourth Proportional to 2,499.02, 3,748.36 and 855.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.02 : 3,748.36 = 855.53 : x
2. Step 2: Convert to fraction form
   2,499.02/3,748.36 = 855.53/x
3. Step 3: Cross multiply
   2,499.02x = 3,748.36 × 855.53
4. Step 4: Simplify right side
   2,499.02x = 3,206,834.43
5. Step 5: Solve for x
   x = 3,206,834.43/2,499.02
6. Step 6: Final answer
   x = 1,283.24