Finding the Fourth Proportional to 2,425.30, 3,631.47 and 1,268.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.30 : 3,631.47 = 1,268.62 : x
2. Step 2: Convert to fraction form
   2,425.30/3,631.47 = 1,268.62/x
3. Step 3: Cross multiply
   2,425.30x = 3,631.47 × 1,268.62
4. Step 4: Simplify right side
   2,425.30x = 4,606,955.47
5. Step 5: Solve for x
   x = 4,606,955.47/2,425.30
6. Step 6: Final answer
   x = 1,899.54