Finding the Fourth Proportional to 1,613.72, 2,407.78 and 1,450.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.72 : 2,407.78 = 1,450.64 : x
2. Step 2: Convert to fraction form
   1,613.72/2,407.78 = 1,450.64/x
3. Step 3: Cross multiply
   1,613.72x = 2,407.78 × 1,450.64
4. Step 4: Simplify right side
   1,613.72x = 3,492,821.98
5. Step 5: Solve for x
   x = 3,492,821.98/1,613.72
6. Step 6: Final answer
   x = 2,164.45