Finding the Fourth Proportional to 2,551.17, 3,834.06 and 1,253.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.17 : 3,834.06 = 1,253.55 : x
2. Step 2: Convert to fraction form
   2,551.17/3,834.06 = 1,253.55/x
3. Step 3: Cross multiply
   2,551.17x = 3,834.06 × 1,253.55
4. Step 4: Simplify right side
   2,551.17x = 4,806,185.91
5. Step 5: Solve for x
   x = 4,806,185.91/2,551.17
6. Step 6: Final answer
   x = 1,883.91