Finding the Fourth Proportional to 1,663.89, 2,297.25 and 1,035.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.89 : 2,297.25 = 1,035.11 : x
2. Step 2: Convert to fraction form
   1,663.89/2,297.25 = 1,035.11/x
3. Step 3: Cross multiply
   1,663.89x = 2,297.25 × 1,035.11
4. Step 4: Simplify right side
   1,663.89x = 2,377,889.79
5. Step 5: Solve for x
   x = 2,377,889.79/1,663.89
6. Step 6: Final answer
   x = 1,429.11