Finding the Fourth Proportional to 2,423.59, 3,634.61 and 1,253.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.59 : 3,634.61 = 1,253.45 : x
2. Step 2: Convert to fraction form
   2,423.59/3,634.61 = 1,253.45/x
3. Step 3: Cross multiply
   2,423.59x = 3,634.61 × 1,253.45
4. Step 4: Simplify right side
   2,423.59x = 4,555,804.72
5. Step 5: Solve for x
   x = 4,555,804.72/2,423.59
6. Step 6: Final answer
   x = 1,879.78