Finding the Fourth Proportional to 1,603.16, 2,401.50 and 1,457.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.16 : 2,401.50 = 1,457.72 : x
2. Step 2: Convert to fraction form
   1,603.16/2,401.50 = 1,457.72/x
3. Step 3: Cross multiply
   1,603.16x = 2,401.50 × 1,457.72
4. Step 4: Simplify right side
   1,603.16x = 3,500,714.58
5. Step 5: Solve for x
   x = 3,500,714.58/1,603.16
6. Step 6: Final answer
   x = 2,183.63