Finding the Fourth Proportional to 2,425.48, 3,638.24 and 1,499.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.48 : 3,638.24 = 1,499.92 : x
2. Step 2: Convert to fraction form
   2,425.48/3,638.24 = 1,499.92/x
3. Step 3: Cross multiply
   2,425.48x = 3,638.24 × 1,499.92
4. Step 4: Simplify right side
   2,425.48x = 5,457,068.94
5. Step 5: Solve for x
   x = 5,457,068.94/2,425.48
6. Step 6: Final answer
   x = 2,249.89