Finding the Fourth Proportional to 2,278.03, 3,404.56 and 1,663.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278.03 : 3,404.56 = 1,663.03 : x
2. Step 2: Convert to fraction form
   2,278.03/3,404.56 = 1,663.03/x
3. Step 3: Cross multiply
   2,278.03x = 3,404.56 × 1,663.03
4. Step 4: Simplify right side
   2,278.03x = 5,661,876.91
5. Step 5: Solve for x
   x = 5,661,876.91/2,278.03
6. Step 6: Final answer
   x = 2,485.43