Finding the Fourth Proportional to 2,423.36, 3,636.72 and 1,269.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.36 : 3,636.72 = 1,269.92 : x
2. Step 2: Convert to fraction form
   2,423.36/3,636.72 = 1,269.92/x
3. Step 3: Cross multiply
   2,423.36x = 3,636.72 × 1,269.92
4. Step 4: Simplify right side
   2,423.36x = 4,618,343.46
5. Step 5: Solve for x
   x = 4,618,343.46/2,423.36
6. Step 6: Final answer
   x = 1,905.76