Finding the Fourth Proportional to 2,553.27, 3,829.86 and 1,455.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.27 : 3,829.86 = 1,455.29 : x
2. Step 2: Convert to fraction form
   2,553.27/3,829.86 = 1,455.29/x
3. Step 3: Cross multiply
   2,553.27x = 3,829.86 × 1,455.29
4. Step 4: Simplify right side
   2,553.27x = 5,573,566.53
5. Step 5: Solve for x
   x = 5,573,566.53/2,553.27
6. Step 6: Final answer
   x = 2,182.91